I believe it is Religious Beliefs
Many people during this time, including Washington, felt that slavery was justified because the slaves in America were previously slaves in Africa, and were treated more poorly by their African masters than they were by their American masters. This was of course heavily refuted.
Answer:
Because more than 15 million people in America didn't have jobs and used to.
No one! Look at Nixon, Clinton, and Andrew Johnson...impeachment charges or the risk of impeachment these individuals faced while in the White House.
The Gulf of Tonkin Resolution was created and used during the Vietnam War. The resolution gave the president nearly unlimited control over the U.S. military.