Federalism is the system of government in which power is divided between a central government and regional governments; in the United States, both the national government and the state governments possess a large measure of sovereignty.
The information that Zhang Qian brought back encouraged Han Wudi to destroy the Xiongnu and lay the foundations for the "<span>c. Silk roads," since it was now known that these would greatly expand the Chinese economy. </span>
The west side of Europe<span />
C.
America exported raw goods, that's why they needed slaves. The British exported manufactured goods to the Americas, often produced from said raw goods.