Nope, oil. It was the 1973 oil crisis, which led to prices quadrupling. See https://en.wikipedia.org/wiki/1973_oil_crisis https://en.wikipedia.org/wiki/1973_oil

Nope, oil. It was the 1973 oil crisis, which led to prices quadrupling. See https://en.wikipedia.org/wiki/1973_oil_crisis https://en.wikipedia.org/wiki/1973_oil_crisis