<span>BENEDICT ARNOLD </span>because he was originally a hero in the war but then he became a spy for Britain
The Southerners were of the belief that Abraham Lincoln was about to split the Nation even though he had no intention too. And this led to a rising fear of a Civil war occurring in America.
Answer:
The Nazis began experimenting with poison gas for the purpose of mass murder in late 1939 with the killing of patients with mental and physical disabilities in the Euthanasia Program.
That's not a question...and it doesn't belong in history, it belongs in Math.