For question 3
Answer = because most things that were made at the time were made in factories in the north so even the littlest mistakes were a win for the south
Farmers who moved to the city thought they would have a better life there. Most of the time, they had very little land, not enough to guarantee their survival. Two or three bad harvests ruined them. They had to ask for money to the landlord in order to keep working, but if they didn't have enough to pay them when the harvest came they would have to leave the land to pay their debt. With no place left to go, they moved to the city lured by promises of a better life that turned out to be false.
It was world ww1 6/6-5/61-
USA, UK, France & USSR
Berlin was also split into four and each of the four above also had their own sections of Berlin- however the Capitalists (USA, UK & France) all banded together to make a stronger nation, making their own new currency and building the economy from scratch; this is what triggered the Berlin Blockade & Airlift