When did USA begin de-industrualize

The process of de-industrialization in the USA began in the 1970s, when many manufacturing industries began to experience a decline in productivity and profitability. This was due to a number of factors, including increased foreign competition, rising labor costs, and advances in technology that made it more efficient to produce goods overseas. The trend continued throughout the 1980s and 1990s, with many industries moving their operations to other countries in search of lower costs and higher profits. Today, the USA remains a major industrial power, but many of its traditional manufacturing industries have been greatly reduced in size and importance