The Spread of Disease, Goods, and Ideas

The rapid transfer of people and goods across Central Asia spread more than ideas and inventions. It also spread diseases, the most deadly of which was the plague known in Europe as the Black Death, which scholars identify today as the bubonic plague. In the early fourteenth century, transmitted by rats and fleas, the plague began to spread from Central Asia into West Asia, the Mediterranean, and western Europe. When the Mongols were assaulting the city of Kaffa in the Crimea in 1346, they were infected by the plague and had to withdraw. In retaliation, they purposely spread the disease to their enemy by catapulting the bodies of victims into the city of Kaffa. Soon the disease was carried from port to port throughout the Mediterranean by ship. The confusion of the mid-fourteenth century that led to the loss of Mongol power in China, Iran, and Central Asia undoubtedly owes something to the effect of the spread of the plague and other diseases. (For more on the Black Death, see Chapter 14.)

Traditionally, the historians of each of the countries conquered by the Mongols portrayed them as a scourge. Russian historians, for instance, saw this as a period of bondage that set Russia back and cut it off from western Europe. Among contemporary Western historians, it is now more common to celebrate the genius of the Mongol military machine and treat the spread of ideas and inventions as an obvious good, probably because we see global communication as a good in our own world. There is no reason to assume, however, that people benefited equally from the improved communications and the new political institutions of the Mongol era. Merchants involved in long-distance trade prospered, but those enslaved and transported hundreds or thousands of miles from home would have seen themselves not as the beneficiaries of opportunities to encounter cultures different from their own but rather as the most pitiable of victims.

The places that were ruled by Mongol governments for a century or more — China, Central Asia, Persia, and Russia — do not seem to have advanced at a more rapid rate during that century than they did in earlier centuries, either economically or culturally. By Chinese standards, Mongol imposition of hereditary status distinctions was a step backward from a much more mobile and open society, and placing Persians, Arabs, or Tibetans over Chinese did not arouse interest in foreign cultures. Many more styles of foreign music, clothing, art, and furnishings were integrated into Chinese civilization in Tang times than in Mongol times.

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Horse and Groom Zhao Mengfu (1254–1322), the artist of this painting and a member of the Song imperial family, took up service under the Mongol emperor Khubilai. The Mongol rulers, great horsemen themselves, would likely have appreciated this depiction of a horse buffeted by the wind. (Horse and Groom in Winter[in`k on paper], Chao Meng-Fu, or Zhao Mengfu [1254–1322], National Palace Museum, Taipei, Taiwan/The Bridgeman Art Library)

In terms of the spread of technological and scientific ideas, Europe seems to have been by far the main beneficiary of increased communication, largely because in 1200 it lagged farther behind than the other areas. Chinese inventions such as printing, gunpowder, and the compass spread westward. Persian and Indian expertise in astronomy and mathematics also spread. In terms of the spread of religions, Islam probably gained the most. It came to dominate in Chinese Central Asia, which had previously been Buddhist.