Also: the specific choice of the year 1971 (as opposed to say "the 70s" or "the late 60s") is usually meant to call attention to the fact that in 1971 the US ab

Also: the specific choice of the year 1971 (as opposed to say "the 70s" or "the late 60s") is usually meant to call attention to the fact that in 1971 the US abandoned the gold standard for the US dollar. https://en.wikipedia.org/wiki/Nixon_shock https://en.wikipedia.org/wiki/Nixon_shock