What was John Wilkes booth responsible for?

John Wilkes Booth led a bunch of people to throw the US Federal Government into chaos after the Civil War ended in April 1865. It was his plan to kill as many people leading the Union as possible. John Wilkes Booth murdered President Abraham Lincoln, but, his followers only wounded another politician. Booth was shot to death in a barn, after he refused to surrender. 4 of his fellow plotters were hung (after a brief military trial), and others were sent to prison for a long time.

Plotting and carrying out President Lincoln's assassination