It did not lead to the Civil War, what led to the civil war was the war of 1812. That was when U.S.A recognized that it needed to become stronger, and slaves were transported to the United States and put in the working class under bad conditions. Child labor and prejudice began there as well.
Steam locomotive,because they were built during the Industrial Revolution.Which happen during late 1800's
Early humans moved from one location to another in order to hunt migrating herds.
Answer:The Soviet Leader during the presidencies of Eisenhower and Kennedy was Nikita Krushchev - he was the leader of Soviet Union for 11 years form 1953 till 1964.
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