What major event occurred during the first year of Herbert Hoover's presidency?

A. the bombing of Pearl Harbor

B. the explosion of the Hindenburg

C. the sinking of the Lusitania

D. the stock market crash

During Pearl Harbor Franklin D. Roosevelt was President

During The Explosion of the Hindenburg, the current president was also Franklin D. Roosevelt

During the Sinking of the Lusitania, Woodrow Wilson was President

During the stock market crash, Herbert Hoover was President

So It would be D. The Stock Market Crash