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 main difference between being poor in America and Europe in the 19th century etc. was that America offered much more opportunities due to the fact that it was a nation that was being built up from the ground. This meant that poor people and people of low education could at least get various jobs in construction and related things whereas in Europe, the opportunities for such people were much smaller.
Athens is in Greece and Rome in Italy Athens culture is kinda similar to Roman culture
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Oxygen dying of thirst, overloaded wagons, and dysentery. Trails were poorly marked and hard to follow, and travelers often lost their way.