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by Mark Kurlansky


  By A.D. 100, the well workers, understanding that the disturbances were caused by an invisible substance, found the holes where it came out of the ground, lit them, and started placing pots close by. They could cook with it. Soon they learned to insulate bamboo tubes with mud and brine and pipe the invisible force to boiling houses. These boiling houses were open sheds where pots of brine cooked until the water evaporated and left salt crystals. By A.D. 200, the boiling houses had iron pots heated by gas flames. This is the first known use of natural gas in the world.

  Salt makers learned to drill and shore up a narrow shaft, which allowed them to go deeper. They extracted the brine by means of a long bamboo tube which fit down the shaft. At the bottom of the tube was a leather valve. The weight of the water would force the valve shut while the long tube was hauled out. Then the tube was suspended over a tank, where a poke from a stick would open the valve and release the brine into the tank. The tank was connected to bamboo piping that led to the boiling house. Other bamboo pipes, planted just below the wellhead to capture escaping gas, also went to the boiling house.

  Bamboo piping, which was probably first made in Sichuan, is salt resistant, and the salt kills algae and microbes that would cause rot. The joints were sealed either with mud or with a mixture of tung oil and lime. From the piping at Sichuan brine works, Chinese throughout the country learned to build irrigation and plumbing systems. Farms, villages, and even houses were built with bamboo plumbing. By the Middle Ages, the time of the Norman conquest of England, Su Dongpo, a bureaucrat born in Sichuan, was building sophisticated bamboo urban plumbing. Large bamboo water mains were installed in Hangzhou in 1089 and in Canton in 1096. Holes and ventilators were installed for dealing with both blockage and air pockets.

  Salt producers spread out bamboo piping over the countryside with seeming chaos like the web of a monster spider. The pipes were laid over the landscape to use gravity wherever possible, rising and falling like a roller coaster, with loops to create long downhill runs.

  In the mid-eleventh century, while King Harold was unsuccessfully defending England from the Normans, the salt producers of Sichuan were developing percussion drilling, the most advanced drilling technique in the world for the next seven or eight centuries.

  A hole about four inches in diameter was dug by dropping a heavy eight-foot rod with a sharp iron bit, guided through a bamboo tube so that it kept pounding the same spot. The worker stood on a wooden lever, his weight counterbalancing the eight-foot rod on the other end. He rode the lever up and down, seesaw-like, causing the bit to drop over and over again. After three to five years, a well several hundred feet deep would strike brine.

  Ancient bamboo piping carrying brine through the Sichuan countryside outside Zigong, circa 1915. Zigong Salt History Museum

  In 1066, Harold was killed at Hastings by an arrow, the weapon the Chinese believe was invented in prehistory by Huangdi. At the time of Harold’s death, the Chinese were using gunpowder, which was one of the first major industrial applications for salt. The Chinese had found that mixing potassium nitrate, a salt otherwise known as saltpeter, with sulfur and carbon created a powder that when ignited expanded to gas so quickly it produced an explosion. In the twelfth century, when European Crusaders were failing to wrest Jerusalem from the infidel Arabs, the Arabs were beginning to learn of the secret Chinese powder.

  LI BING HAD lived during one of the most important crossroads in Chinese history. Centuries of consolidation among warring states had at last produced a unified China. The unified state was the culmination of centuries of intellectual debate about the nature of government and the rights of rulers. At the center of that debate was salt.

  The character yan drawn by Beijing salt history professor Guo, in the zhuangzi style of calligraphy that was used until about 200 B.C. Guo Zhenzhong

  Chinese governments for centuries had seen salt as a source of state revenue. Texts have been found in China mentioning a salt tax in the twentieth century B.C. The ancient character for salt, yan, is a pictograph in three parts. The lower part shows tools, the upper left is an imperial official, and the upper right is brine. So the very character by which the word salt was written depicted the state’s control of its manufacture.

  A substance needed by all humans for good health, even survival, would make a good tax generator. Everyone had to buy it, and so everyone would support the state through salt taxes.

  The debate about the salt tax had its roots in Confucius, who lived from 551 to 479 B.C. In Confucius’s time the rulers of various Chinese states assembled what would today be called think tanks, in which selected thinkers advised the ruler and debated among themselves. Confucius was one of these intellectual advisers. Considered China’s first philosopher of morality, he was disturbed by human foibles and wanted to raise the standard of human behavior. He taught that treating one’s fellow human beings well was as important as respecting the Gods, and he emphasized the importance of respecting parents.

  Confucius’s students and their students built the system of thought known as Confucianism. Mencius, a student of Confucius’s grandson, passed teachings down in a book called the Mencius. Confucius’s ideas were also recorded in a book called The Analects, which is the basis of much Chinese thought and the source of many Chinese proverbs.

  During the two and a half centuries between Confucius and Li Bing, China was a grouping of numerous small states constantly at war. Rulers fell, and their kingdoms were swallowed up by more powerful ones, which would then struggle with other surviving states. Mencius traveled in China explaining to rulers that they stayed in power by a “mandate from heaven” based on moral principles, and that if they were not wise and moral leaders, the gods would take away their mandate and they would fall from power.

  But another philosophy, known as legalism, also emerged. The legalists insisted that earthly institutions effectively wielding power were what guaranteed a state’s survival. One of the leading legalists was a man named Shang, who advised the Qin (pronounced CHIN) state. Shang said that respect for elders and tradition should not interfere with reforming, clearing out inefficient institutions and replacing them with more effective and pragmatic programs. Legalists struggled to eliminate aristocracy, thereby giving the state the ability to reward and promote based on achievement.

  The legalist faction had a new idea about salt. The first written text on a Chinese salt administration is the Guanzi, which contains what is supposed to be the economic advice of a minister who lived from 685 to 643 B.C. to the ruler of the state of Qi. Historians agree that the Guanzi was actually written around 300 B.C., when only seven states still remained and the eastern state of Qi, much under the influence of legalism, was in a survival struggle, which it would eventually lose, with the western state of Qin.

  Among the ideas offered by the minister was fixing the price of salt at a higher level than the purchase price so that the state could import the salt and sell it at a profit. “We can thus take revenues from what other states produce.” The adviser goes on to point out that in some non-salt-producing areas people are ill from the lack of it and in their desperation would be willing to pay still higher prices. The conclusion of the Guanzi is that “salt has the singularly important power to maintain the basic economy of our state.”

  By 221 B.C., Qin defeated its last rivals, and its ruler became the first emperor of united China. China would continue to be ruled by such emperors until 1911.

  The proposals in the Guanzi, which became Qi policy, now became the policy of the Qin and the emperor of China. The Qin dynasty was marked by the legalists’ tendency for huge public works and harsh laws. A price-fixing monopoly on salt and iron kept prices for both commodities excessively high. It is the first known instance in history of a state-controlled monopoly of a vital commodity. The salt revenues were used to build not only armies but defensive structures including the Great Wall, designed to keep Huns and other mounted nomadic invaders from the north out of China. But the harsh f
irst dynasty lasted less than fifteen years.

  The Han dynasty that replaced it in 207 B.C., ended the unpopular monopolies to demonstrate better, wiser government. But in 120 B.C., expeditions were still being mounted to drive back the Huns, and the treasury was drained to pay for the wars with “barbarians” in the north. The Han emperor hired a salt maker and ironmaster to research the possibility of resurrecting the salt and iron monopolies. Four years later, he put both monopolies back into place.

  China at the time was probably the most advanced civilization on earth at what was a high point of territorial expansion, economic prosperity, and trade. The Chinese world had expanded much farther than that of the Romans. Rome had an empire by conquest, was at the zenith of its power as well, but was menaced by the Gauls and Germanic tribes and even more threatened by internal civil wars. The Chinese had first learned of the Roman Empire in 139 B.C., when the emperor Wudi had sent an envoy, Zhang Qian, past the deserts to seek allies to the west. Zhang Qian traveled for twelve years to what is now Turkistan and back and reported on the astounding discovery that there was a fairly advanced civilization to the west. In 104 B.C. and 102 B.C., Chinese armies reached the area, a former Greek kingdom called Sogdiana with its capital in Samarkand, where they met and defeated a force partly composed of captive Roman soldiers.

  In China the salt and iron monopolies, whose revenue financed many of these adventures, remained controversial. In 87 B.C., Emperor Wudi, considered the greatest emperor of the four-century Han dynasty, died and was replaced by the eight-year-old Zhaodi. In 81 B.C., six years later, the now-teenage emperor decided, in the manner of the emperors, to invite a debate among wise men on the salt and iron monopolies. He convened sixty notables of varying points of view from around China to debate state administrative policies in front of him.

  The central subject was to be the state monopolies on iron and salt. But what emerged was a contest between Confucianism and legalism over the responsibilities of good government—an expansive debate on the duties of government, state profit versus private initiative, the logic and limits of military spending, the rights and limits of government to interfere in the economy.

  Though the identities of most of the sixty participants are not known, their arguments have been preserved from the Confucian point of view in written form, the Yan tie lun, Discourse on Salt and Iron.

  On the one side were Confucians, inspired by Mencius, who, when asked how a state should raise profits, replied, “Why must Your Majesty use the word profit? All I am concerned with are the good and the right. If Your Majesty says, ‘How can I profit my state?’ your officials will say, ‘How can I profit my family?’ and officers and common people will say, ‘How can I profit myself?’ Once superiors and inferiors are competing for profit, the state will be in danger.”

  On the other side were government ministers and thinkers influenced by the legalist Han Feizi, who had died in 233 B.C. Han Feizi, who had been a student of one of the most famous Confucian teachers, had not believed that it was practical to base government on morality. He believed it should be based on the exercise of power and a legal code that meted out harsh punishment to transgressors. Both rewards and punishments should be automatic and without arbitrary interpretation. He believed laws should be decreed in the interest of the state, that people should be controlled by fear of punishment. If his way was followed, “the State will get rich and the army will be strong,” he claimed. “Then it will be possible to succeed in establishing hegemony over other states.”

  In the salt and iron debate, legalists argued: “It is difficult to see, in these conditions, how we could prevent the soldiers who defend the Great Wall from dying of cold and hunger. Suppress the state monopolies and you deliver a fatal blow to the nation.”

  But to this came the Confucian response, “The true conqueror does not have to make war; the great general does not need to put troops in the field nor have a clever battle plan. The sovereign who reigns by bounty does not have an enemy under heaven. Why do we need military spending?”

  To which came the response, “The perverse and impudent Hun has been allowed to cross our border and carry war into the heart of the country, massacring our population and our officers, not respecting any authority. For a long time he has deserved an exemplary punishment.”

  It was argued that the borders had become permanent military camps that caused suffering to the people on the interior. “Even if the monopolies on salt and iron represented, at the outset, a useful measure, in the long term they can’t help but be damaging.”

  Even the need for state revenues was debated. One participant quoted Laozi, a contemporary of Confucius and founder of Daoism, “A country is never as poor as when it seems filled with riches.”

  The debate was considered a draw. But Emperor Zhaodi, who ruled for fourteen years but only lived to age twenty-two, continued the monopolies, as did his successor. In 44 B.C., the next emperor, Yuandi, abolished them. Three years later, with the treasury emptied by a third successful western expedition to Sogdiana in Turkistan, he reestablished the monopolies. They continued to be abolished and reestablished regularly according to budgetary needs, usually related to military activities. Toward the end of the first century A.D., a Confucian government minister had them once more abolished, declaring, “Government sale of salt means competing with subjects for profit. These are not measures fit for wise rulers.”

  The state salt monopoly disappeared for 600 years. But it was resurrected. During the Tang dynasty, which lasted from 618 to 907, half the revenue of the Chinese state was derived from salt. Aristocrats showed off their salt wealth by the unusual extravagance of serving pure salt at the dinner table, something rarely done in China, and placing it in a lavish, ornate saltcellar.

  Over the centuries, many popular uprisings bitterly protested the salt monopoly, including an angry mob that took over the city of Xi’an, just north of Sichuan, in 880. And the other great moral and political questions of the great debate on salt and iron—the need for profits, the rights and obligations of nobility, aid to the poor, the importance of a balanced budget, the appropriate tax burden, the risk of anarchy, and the dividing line between rule of law and tyranny—have all remained unresolved issues.

  CHAPTER TWO

  Fish, Fowl, and Pharaohs

  ON THE EASTERN end of North Africa’s almost unimaginably vast desert, the Nile River provides a fertile green passage only a few miles wide down both banks. Egyptian civilization has always been crammed into this narrow strip, surrounded by a crawling wind-swept desert, like a lapping sea, that threatens to wash it away. Even today in modern high-rise Cairo, the sweepers come out in the morning to chase away the sand from the devouring desert.

  The earliest Egyptian burial sites have been found where the desert begins at the edge of the green strip on either side. They date from about 3000 B.C., the same time as the earliest record of salt making in Sichuan, but before the era of the great Egyptian states and even before such marks of Egyptian civilization as hieroglyphics. The cadavers at these early burial sites still have flesh and skin. They are not mummies and yet are surprisingly well preserved for 5,000-year-old corpses. The dry, salty desert sand protected them, and this natural desert phenomenon held the rudiments of an idea about preserving flesh.

  To the Egyptians, a dead body was the vessel connecting earthly life to the afterlife. Eternal life could be maintained by a sculpted image of the person or even by the repetition of the deceased’s name, but the ideal circumstance was to have the body permanently preserved. At all stages of ancient Egyptian civilization a tomb had two parts: one, below ground, for housing the corpse, and a second area above for offerings. In simpler burial places, the upper part might be just the open area above ground.

  The upper level makes clear the importance the ancient Egyptians attached to the preparation and eating of food. Elaborate funereal feasts were held in these spaces, and copious quantities of food were left as offerings. The feasts,
and sometimes the preparation of foods, were depicted on the walls. Every important period in ancient Egyptian history produced tombs containing detailed information about food. Though the intention was to leave this for the benefit of the deceased, it has given posterity a clear view of an elaborate and inventive ancient cuisine.

  The poorest may have had little to eat but unraised bread, beer, and onions. The Egyptians credited onions and garlic with great medicinal qualities, believing that onion layers resembled the concentric circles of the universe. Onions were placed in the mummified cadavers of the dead, sometimes serving in place of the eyes. Herodotus, the Greek historian born about 490 B.C. and considered the founder of the modern discipline of history, described the tomb of the pyramid of Giza, built about 2900 B.C. He wrote that an inscription on one wall asserted that during twenty years of construction, the builders supplied the workers with radishes, onions, and garlic worth 1,600 talents of silver, which in contemporary dollars would be about $2 million.

  But the upper classes had a richly varied diet, perhaps the most evolved cuisine of their time. Remains of food found in a tomb from before 2000 B.C. include quail, stewed pigeon, fish, ribs of beef, kidneys, barley porridge, wheat bread, stewed figs, berries, cheese, wine, and beer. Other funereal offerings found in tombs included salted fish and a wooden container holding table salt.

  The Egyptians mixed brine with vinegar and used it as a sauce known as oxalme, which was later used by the Romans. Like the Sichuan Chinese, the Egyptians had an appreciation for vegetables preserved in brine or salt. “There is no better food than salted vegetables” are words written on an ancient papyrus. Also, they made a condiment from preserved fish or fish entrails in brine, perhaps similar to the Chinese forerunner of soy sauce.

 

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