The Great Depression in the United States, the worst and longest  economic collapse in the history of the modern industrial world,lasted from the end of 1923 until the early 1940s.Beginning in the United States,the depression spread to most of the world's industrial countries,which in the 20th century had become economically dependence on one another .The Great Depression saw rapid declines in the production and sale of goods and sudden ,severe rise in unemployment.Businesses and banks closed their doors , people lost their jobs, homes, and savings,and many depended on uncharitable to survived