China was able to trade more than ever during the postclassical era because: a. foreign countries gave china new technologies
b. Chinese people began to move to huge cities in Europe
c. miners discovered new sources of gold in china
d. China's government built better roads and canals.

What does the timeline above show about the consequences of the persian wars? a. each city-state of greece had equal influence after the wars. b. athens and sparta continued attacking persia after the wars had ended. c. persia continued to dominate greece for years after the wars. d. the alliance between athens and sparta ended shortly after the wars.