It was a grand total of 10 presidents almost assassinated.
Black Tuesday, also known as the Wall Street Crash of 1929, was the worst stock market crash in US history.
Explanation:
1965, marines waded on ashore on the beaches. There were 3,000 troops. Their mission was to protect there base.
Each president did the same thing, spent money etc. But neither had success in the past with counterinsurgency neither to the stabilization of South politics.