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the first and only nation to use atomic weaponery -
it implied American support for other nations allegedly threatened by soviet communism -
gave the US reason to increase its military expenditure four fold -
threatened regional stabliity and challenged the US relantionship with two primary cold allies
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created tension and fear between the US and USSR -
exposed the weakness of eastern european communism -
succesfully launched and entered earths orbit -
changed how the two halves of the city functioned -
direct and dangerous confrontation between the US and the Soviet Union -
the fall of communism
