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.
Napoleon died in 1821, on St. Helena, as a prisoner of the European nations that allied against France. Napoleon did not die in battle , he died on St Helena in exile, said to have died as a result of Arsnic in the wallpaper of his residence.