Because they thought they were the true patriots and stewards of Americanism and falsely believed that only the white man could lead America into the future through an alliance with Germany. In other words, they wanted the KKK to be in control of the country and they wanted to help the German Nazi's in their mission to kill or enslave all the other races.
Thank you.
An aptly written description.
I appreciate the time/effort of your reply.
I hope it’s helped others, as well.