As trade created a strong, prosperous economy, merchants became more important members of society in which dynasty in China between the Han, Sui, Tang, and Song?

there

Explanation:

built in 7th century during reign of Yangdi during Sui dynasty; designed to link the original ... created a strong government ... growth of foreign trade, and the economy prospered ... -since exam was difficult, education became increasingly important in China, ... China's patriarchal society strengthened during song and tang

pretty sure it is c

explanation:

would not cooperate with each other voluntarily.