What catastrophic event caused the Great Depression in the 1930s, leaving millions of Americans in pov- erty and/or homeless?

Explanation:The Great Depression of the 1930s brought thousands of people, and even entire regions of the country, to their knees. The sudden, catastrophic economic downturn that followed the Wall Street crash of 1929 caused widespread homelessness, poor health and early deaths, and the creation of shantytowns in urban areas.