Offer a critique as to how America’s golden age had come to such an abrupt end by the end of the 1970s. What were the causes of its decline?

The U.S. had a period of unprecedented economic boom from the end of WWI to the early 1970s.Offer a critique as to how America’s golden age had come to such an abrupt end by the end of the 1970s. What were the causes of its decline?