What caused the great depression? In one simple sentence

The Great Depression was caused by a combination of factors including stock market crash, economic imbalance, overproduction, and mismanagement of the banking system.

The Great Depression was primarily caused by the stock market crash of 1929, which led to widespread bank failures, reduced consumer spending, and a decline in industrial production.

The Great Depression was caused by a combination of factors, including stock market crashes, overproduction and underconsumption, banking failures, and government policy mistakes.