What led to the fall of the Soviet Union and the end of the Cold War?​

One reason was how they used alot of money on the military. This is because Ronald Reagen had a policy to make the russian goverment spend money on the military to match the US.

Another is Afghanistan where they lost. They also spent alot of money on this war, and is a reason combined with the the over.

One other is how Gorbatsjov restructured Sovjet.

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the articles of confederation placed most of the power on the feds