Want to know:

What white supremacist organization so extensively dominated politics in the South that a candidate could not be elected without its endorsement; had between four and five million members at its zenith in the 1920s; and carried out acts of surveillance, lynching, and nightriding—the physical harassment of bootleggers, union activists, racial and religious minorities, civil rights workers, and any other "undesirable," at night while wearing ritualistic white hoods and robes—yet, by 1930, had diminished in power and size to only approximately 30,000 members?

Get a detailed, AI-powered explanation for this question and thousands more on StudyFetch.