Question

How was the expansion of trade and exploration in the postclassical era important to China the Song dynasty?
A. Christianity and Islam spread to China and replaced Daoism and Buddhism as official religions.
B. China was able to expand its markets along the Silk Road and increase maritime trade.
C. China adopted the systems of feudalism and communism that were used in medieval Europe.
D. The Confucian civil service exam was replaced by exams used in West Africa.