Michelangelo di Lodovico Buonarroti Simoni
The leader of the Soviet Union Nikita Khrushchev wanted to put nuclear missiles in Cuba. The reason for this is because Khrushchev wanted to threaten the United States. Since he wanted to threaten the United States, he decided that Cuba, which had recently had a revolution to become communist, was the perfect asset to use in threatening in the US.
Answer:
I think its A?
Explanation:
I don't know if its right, its just the one I thought was right.
Edit <em> just checked, its wrong.</em>
World war 1 was a cause of the great migration.