These areas are named triple junctions and can be found in several places across the world today. The separated margins of the continents evolve to form passive margins. Hess' theory was that new seafloor is formed when magma is forced upward toward the surface at a mid-ocean ridge.
It is false that Communism was the dominant economic force of the twentieth century, although it certainly overtook a great deal of territory. Capitalism was still overall dominant.
The first bullet is the correct answer
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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