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>>Isolationism is not the answer, as tempting as it seems sometimes. The U.S.'s isolationism between the two World Wars is viewed by historians as a key factor in both the Depression and the rise of Nazi Germany.
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>Threats change. The major threats to the US through the 1970s wore uniforms.

No, not really. And before you go off on the Soviet Bloc, etc, etc, ad nauseum...let me point out that at NO time during the 70's was the US ever in danger of being invaded. And even at the height of the Cold War, the public was never barraged with the fear-mongering that is going on now.

I'm just sorry so many have bought into it lock, stock and 2 smoking barrels