There were substantial left-wing movements in 20th century Germany as well.
I understand that you disagree, and I appreciate that I have virtually no chance of persuading you of the validity of my perspective. I do not wish to offend you. Nevertheless…
Nazi Germany based its racial laws upon American examples:
Pro-fascist sentiment in the 1930’s USA was a mainstream, establishment view.
https://mobile.twitter.com/freeyourmindkid/status/928635245532012544
https://twitter.com/Freeyourmindkid/status/928637814929068033?s=17
The USA has always been among the most fascist-friendly of the capitalist states. The roots of this go back to the birth of the nation. The Confederacy was arguably a proto-fascist state, and the failure of Reconstruction in the Compromise of 1877 ensured that this influence was never removed from the American political establishment.
From Paxton’s Five Stages of Fascism.