A grande depressão

"... How bad was the Great Depression? Over the four years from 1929 to 1933, production at the nation’s factories, mines and utilities fell by more than half. People’s real disposable incomes dropped 28 percent. Stock prices collapsed to one-tenth of their pre-crash height. The number of unemployed Americans rose from 1.6 million in 1929 to 12.8 million in 1933. One of every four workers was out of a job at the Depression’s nadir, and ugly rumors of revolt simmered for the first time since the Civil War..." http://fee.org/articles/great-myths-of-the-great-depression/print/