I believe it is A for question 1 and C for question 2! Hope this helps:)
Answer:
How capitalism will destroy itself?
Marx's basic belief was that capitalism would destroy itself by creating the conditions wherein workers would no longer feel they had a stake in the game and so would revolt.
Explanation:
Im not sure but I think it was the beginning of modern warfare.
The Americans were huge areas of fertile land, and the European powers needed people to work on its fields. African slaves were a cheap and abundant solution.