What IS the Cold war?
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I won't answer it for you since you should know.
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What are the effects and what did America and Russia do?
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Build nuclear missiles, submarines, etc.
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But summarizing it all up, the Cold War caused the world's two superpowers to: compete economically and militarily.
The answer to this question is B.
Explanation:
Vikings used longboats to carry their warriors. They were also useful for doing raids due to the large amounts of people they could hold.
