Well since it's not that much information I looked it up
Explanation:
In Chapters I and II, Northup tells of his life as a free black man living in upstate New York. ... When he woke up, Solomon Northup was alone, chained in darkness. hopefully that helps
Because they would need a new leader in the Soviet Union and because of Stalins death the US would have to still fight with them. I think and hope that helps