Roaring 20's
nativism
Nativism
the policy of protecting the interests of native-born or established inhabitants against those of immigrants. Ethnicity became a very important factor in the 1920's, Americans worried about immigrants coming and working for low pay, and they also saw immigrants taking away America's freedom.
The Ku Klux Klan's membership exceeded 4 million in the 1920's spreading it's message all across America. It made a huge impact in the 20's.