Actually, during the 70's, our economy started to feel the pressure from the rebuilding of the countries that were bombed to rubble in WW2.
Wrong. First, as I pointed above, most of the world WASN'T "bombed to rubble," and the two countries that were (Germany and Japan) were fully recovered by the mid 1950s.
No, the cause of the postwar prosperity was completely different from that, and so was the cause of its failure in the late 1970s. That failure lasted ten years, from 1973 through 1982. Know what else happened in those same ten years?
Real Price of Oil and Major Disruptions in World Oil Supply, 1950-2008
It was all about oil.
You must be right. And the Marshall Plan was a blue print to educate law enforcement officials.