The Qin introduced common coinage, meaning a form of ´fiat´ currency backed by the central government. It was called a ´ban liang´, and they could be issue by local nobles as well as by the emperor. A system of coinage is important for the unification of a massive empire because it facilitates trade and the recollection of revenue for the central government. As such, it becomes easier to raise a common army, which is essential for unification of different warring states.
Literally did an idiotic thing which limited his power. he was very unpopular with the people and especially the barons.. thats why. he was forced
The answer is C. to join forces against america because their idea was to enhance wealth and focus on their economy.