Commercial banks play an important role in the financial system and the economy.They provide specialized financial services, which reduce the cost of obtaining information about both savings and borrowing opportunities. These financial services help to make the overall economy more efficient.
Answer:
I'd assume B
Explanation:
Biographies would tell you the life story of how they lived their life, which could give a rough idea of how their communities were.
It was a push by Mao Zedong to change China from a predominantly agrarian (farming) society to a modern, industrial society. In just 5 years.