Answer:
Lincoln; the central issue was Slavery
Explanation:
Abolitionist movements had been started in the north and the south by Quakers and escaped slaves like Harriet Tubman and Frederick Douglas
I believe it would the economic chaos after war
The Soviet Satellites were actually forced into nations after World War II. The Soviets regarded the Marshall Plan to an attempt by Americans and capitalists to take over the world.
In conclusion, they closed off their parts of Europe from the rest of of the world, which included, West Berlin which was now a democracy island in Eastern Europe.