The Ku Klux Klan (acronym KKK) is an organization which was started in the South of the United States in 1865. This was after the American Civil War.It was to resist the Reconstruction of the United States.During this time, there were troops based in the ex-Confederacy states.he Ku Klux Klan is a hate group. It was started in the southern United States on 3 March 1865. Most of its hate has been towards African-Americans, but it has also attacked Catholics, Jews and immigrants. It has sought to keep something called white power, often through very violent acts such as killing people.