 Each has advocated extremist reactionary positions such as white nationalism, anti-immigration and – especially in later iterations – Nordicism, antisemitism, prohibition, homophobia, Islamophobia, and anti-Catholicism.Historically, the first Klan used terrorism – both physical assault and murder – against politically active blacks and their allies in the South in the late 1860s, until it was suppressed around 1872.All three movements have called for the "purification" of American society and all are considered "right-wing extremist" organizations.