 Many KKK groups have formed strong alliances with other white supremacist groups, such as neo-Nazis.Some KKK groups have become increasingly "nazified", adopting the look and emblems of white power skinheads.The American Civil Liberties Union (ACLU) has provided legal support to various factions of the KKK in defense of their First Amendment rights to hold public rallies, parades, and marches, as well as their right to field political candidates.