1. Is a stock market crash
He discovered the Mississippi River.
The attack of two U.S. destroyers by the North Vietnamese. The United States refused to trade with Cuba. that's what caused the united states to enter into a full-scale war in Vietnam. Hope this helps :D
The answer to this question is: NAPOLEON
The correct answer is President Thomas Jefferson. Thomas Jefferson was the main writer of the Declaration of Independence. The draft was actually made by John Adams, Benjamin Franklin, Thomas Jefferson, Roger Sherman, and Robert Livingston. But Thomas Jefferson was the one who was instructed to write the final one.