Answer:
Nature and causes of changes in the world history framework leading up to. 600--1450 CE as a period. Major events that caused change
Explanation:
They made the concept of the use of paper money
Thomas Jefferson objected to Alexander Hamilton's proposal for a national bank because: he interpreted the Constitution very strictly, and believed that the Constitution did not give the national government the power to establish a bank.
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Answer: B
Explanation: Both World Wars were started due to one country rising up as a Military power and having a Nationalist government. Germany is a good example of this. When Hitler rose to power in 1933, he began to start a Nationalist Government and starting invading some nearby countries.
Well you can rule out communism since that is not an economic system but a system of government. Socialism is the answer you are looking for. Socialism involves the division of everything into equal parts. No economic classes is a major trait of Socialism.