The Great Depression

The Great Depression was an economic slump in North America, Europe, and other industrialized areas of the world that began in 1929 and lasted until about 1939. It was the longest and most severe depression ever experienced by the industrialized Western world. Though the U.S. economy had gone into depression six months earlier, the Great Depression may be said to have begun with a catastrophic collapse of stock-market prices on the New York Stock Exchange in …

…correction. But market forces alone proved unable to achieve the desired recovery in the early years of the Great Depression, and this painful discovery eventually inspired some fundamental changes in the United States' economic structure. After the Great Depression, government action, whether in the form of taxation, industrial regulation, public works, social insurance, social-welfare services, or deficit spending, came to assume a principal role in ensuring economic stability in most industrial nations with market economies.