A multi-party system is the most common system in the world today.
America's 2-party system is not the common model most other democratic nations follow, with three or more political parties. Some nations have dozens parties. Canada's parliamentary system has six major political parties. Mexico has seven parties active in its politics. One American political commentator has written: "The divisive and competitive politics of the Democrats and Republicans have many Americans wondering whether we’d be better off with a multi-party system" (Rachel Eckhardt in HuffPost, 10/26/2015).
Answer:
cause nobody believed that it had aright to speak
No
Why: in the case of an a real build up of supporters for a nazi like movement in the United States would be crazy. Imagine how many regions and people suffered such as Jehovah’s Witness and Jews affected to the sum of almost 5-6 million deaths. If the USA learned from are history most likely this would not happen I rest my case XD