Jorian Polis Schutz traces Argentina's history by hairstyles:

Long hair was not outlawed during Argentina’s military Proceso dictatorship (1976–1983), but it might as well have been. Authorities were waging a constant war against juventud sospechosa (“suspicious youth”)hippies, rockeros, communists, left-wing Peronists, and homosexuals, all of whom were associated with the wild-hair look. The bárbaro had moved into (or emerged from) the cityand was now dubbed terrorista.

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