<span>Biological perspective
The biological perspective is a way of looking at psychological issues by studying the physical basis for animal and human behavior. It is one of the major perspectives in psychology and involves such things as studying the brain, immune system, nervous system, and genetics.</span>
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Although Berlin was in East Germany, as the capital it was also shared between Britain, France, America and the Soviet Union. The inner German border was officially closed in 1952 and the city became the main route for disaffected East Germans reaching the West.
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