[2][full citation needed] In some cases, small towns often had so-called "decency committees" or "vigilance committees", which often used vigilante tactics against targets such as criminals, prostitutes, drunkards, and in some instances, Black people, Native Americans, Mexicans, Chinese Americans, European immigrants, Catholics, Mormons, and non-Christians, including Jews and atheists.
[3][full citation needed] The 1930s saw the growth of fascist-leaning groups such as the Black Legion and a revived Knights of the White Camellia.
In the period roughly between the end of World War II and the passage of the Supreme Court's so-called "Black Monday" ruling in Brown v. Board of Education, a number of small local "associations of Klans" were active, mainly in the Southeastern states.
[5] [citation needed] During the period of the civil rights movement in the late 1950s and 1960s, the Klan experienced its "third era" which saw the growth of a number of KKK groups that sought to resist desegregation, by peaceful as well as violent means.
Many factions of the Klan began to form alliances with neo-Nazi groups, some members of the American militia movement, and other right-wing extremists, with the goal of cross-recruitment.