This was called Westward expansion. It provided land for agriculture. this was important because he wanted America to be all agriculture and less factories. It doubled the size of America as well as gave us control of the Port of New Orleans.
They bought complex social and economic changes that led to riots, strikes and the emergence of the unions.
They showed no concern for their workers, keeping their wages at a minimum, and reduced them as they felt fit. Many of them suffered poor standards of living while the Robber Barons lived luxurious lives.
Because of them today money goes around the world so that people could either become rich or poor
They began using e-mail I've checked with three other sources and they say the same thing
The answer is A. The actors, the masses, peasant unions, and soviets, were all the same with unresolved issues.