After the allegations that both Assistant Treasury Secretary Harry Dexter White and FDR advisor Alger Hiss were Soviet agents, loyalty tests were required for government and other employment and lists of subversive organizations were maintained.
Exiled to the island of Elba, he escaped to France in early 1815 and raised a new Grand Army that enjoyed temporary success before its crushing defeat at Waterloo against an allied force under Wellington on June 18, 1815. Napoleon was subsequently exiled to the island of Saint Helena off the coast of Africa. Six years later, he died, most likely of stomach cancer, and in 1840 his body was returned to Paris, where it was interred in the Hotel des Invalides.
However, Napoleon escaped from Elba in February 1815 and took control of the government once again. The Allies formed a Seventh Coalition, which ultimately defeated Napoleon at the Battle of Waterloo in June. He was then captured by the British and imprisoned on the remote island of Saint Helena.