How did the outcome of World War 2 contribute to the development of the Cold War?

Which statement regarding the distribution of wealth by the mid-19th century is most accurate?

How did slavery end in the united statesa. it ended with the emancipation proclamationb. it ended when the union won the civil warc. it ended with the fifteenth amendmentd. it ended with the 13th amendment

What british actions lead to the creation of the constitution