The Great Depression How Did The Great Depression Come About? Great depression is believed to have originated from United States in 1929. The American economic peak and dream had come to a halt. This followed the crash of stock exchange market of Toronto, Montr?al and New York. The whole North America was affected. The great depression caused a lot of layoffs, bankruptcy, increased poverty rate and climatic disaster. At the end of the great depression, the affected countries were left counting on prevailing miseries beyond their control. In Canada, the attitudes toward the poor really changed