Answer:
The Ku Klux Klan.
Step-by-step explanation:
This white supremasist group have had three different stages around its history. During different periods of the American history.
The first KKK flourished in the Southern States on mid 1860s as a response of the Reconstrucion era. It sought to overthrow the Republican states in the South by the use of violence against African-American population, especially their leaders.
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