Al Smith was this man's opponent in the 1928 presidential election.
This President's failure to discipline Douglas MacArthur led his electoral opponent to declare "there's nothing inside the man but jelly." This President was a former engineer who was a proponent of the Efficiency Movement. This man had the Bonus Army broken up. Al Smith was this man's opponent in the 1928 presidential election. For 10 points, name this president who was in office during the 1929 stock market crash and is the namesake of a large Arizona dam.
This President's failure to discipline Douglas MacArthur led his electoral opponent to declare "there's nothing inside the man but jelly."
Herbert Clark {Hoover}