Different Chinese inventions helped increase long-distance trade. The Chinese built large ships with , 1 of 2. Select Choice
, which helped with steering. About 1150, Chinese inventors in the Song dynasty perfected the , 2 of 2.
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, which helped Chinese sailors navigate their ships’ locations and sail farther from land. As a result of these inventions, the Chinese were able to sail to Southeast Asia, India, and other places to the west.