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I really don't know if this is what your looking for. Or what kind of speed review your talking about. Sorry if this is wrong. I tried
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The reasons for the overpopulation in Brazil are simple. ... The second reason is the high amount of illegal immigrants already in and going into Brazil. The last reason is the rapid urbanization. The population growth rate in Brazil last year was 1.102%, but most of the overpopulation in Brazil is caused by urbanization.
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the US and the soviet union were fighting to gain in some way political control. one was promoting capitalism and the other communism