According to the passage, why did European explorers begin to sail in caravels in the late 1400s?

to find different trade route.

Explanation:i took the test

yellow fever and other tropical diseases

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity