What issues led to the rise of
the KKK in the 1920s?

Disbanded after Reconstruction, the KKK returned to national prominence in the 1920s to direct its hatred against African Americans, Catholics, Jews, and immigrants. Disbanded after Reconstruction, the KKK returned to national prominence in the 1920s to direct its hatred against African Americans, Catholics, Jews, and immigrants.

Explanation:

on november 6 and 7, 1917 (or october 24 and 25 on the julian calendar, which is why the event is often referred to as the october revolution), leftist revolutionaries led by bolshevik party leader vladimir lenin launched a nearly bloodless coup d'état against the duma's provisional government.