Answer:
Historically, the Civil war was caused by the incompatibility between northern and southern wealth. The industrial revolution in the North caused machines to be built which relied on wage laborers and not slaves
Explanation:
Some politicians became successful by opposing communism.
Answer: Eastern Europe fell under the influence of the Soviet Union, and the region was separated from the West. When the Soviet Union collapsed in 1991, all the Soviet Republics bordering Eastern Europe declared independence from Russia and united with the rest of Europ
Explanation:
The main factor that led to the development of the four major river valley civilizations was its closeness to rivers, which was a food source, its flooding allowed for fertile soil, allowed easy transportation and cities near them were easier to defend.
The fact that fewer people had to dedicate to the production of food allowed some of them to develop other activities, such as the construction of building and cities, metal working, trade and social organization. This led to a social division, the ones that worked and the ones that ruled, creating intricate systems of governments and religions that ideologically sustained those in power.
Answer:
Trade
I don't know the rest sorry:(
Explanation:
