The action that has come to symbolize the end of the Cold War is 3. tearing down the Berlin Wall. The Wall had been formed by the Soviet Union to separate East Berlin (Soviet-controlled) from West Berlin (Western-controlled). Its fall allowed Berliners (and Germans) from the Eastern half finally make their way to the Western half.
The answer is B, the GI bill was made to help post war veterans which helped with unemployment and gave the veterans job security.
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⬇️that’s a photo of the map of the European Union
