Which best describes a purpose of the my klux klan in the 1860 and 1870

they were white people who killed african americans who tried voting for themselves to be free

Ku Klux Klan main objective was to remove politically active blacks and their allies in the South during the 1860s and up to 1872.

Explanation:

Being an American white supremacist hate group, the first Klan appeared in the South of United States in the late 1860s, during Reconstruction. Their purpose to overthrow the Republican state governments in the South, especially by using violence against African-American leaders (who were of course black). The three major points of focus for the Ku Klux Klan were white nationalism, anti-immigration and Nordicism (Nordic supremacy) and anti-Catholicism.

the answer is the government.