Punishments for American citizens supporting Nazi Germany during WWII
American citizens who openly supported Nazi Germany during World War II faced a range of legal consequences and penalties depending on the specific nature of their actions. 1. Treason:
The most severe charge an American could face for actively aiding Nazi Germany was treason, defined by LII | Legal Information Institute as "levying war against them or adhering to their enemies, giving them aid and comfort within the United States or elsewhere".
Conviction for treason could result in death or imprisonment for not less than five years, a fine of not less than $10,000, and permanent disqualification from holding any office under the United States.