What factor led to the formation of the ku klux klan and similar groups?
african americans became more prosperous than whites.
african americans started riots in cities.
african americans stopped whites from voting.
african americans were making progress toward equality.

African Americans were making progress toward equality.

Explanation:

After the Civil War, African Americans were granted the same rights and citizenship as White Americans. Many people, particularly in the South, disliked this. As African Americans began to make more progress towards equality, several racist and segregationist groups were established. This included the Ku Klux Klan. Their main purpose was to ensure that African Americans remained disadvantaged and underprivileged.

the revolution instituted a short-lived roman republic.

the government paid religious orders to provide basic education to native american children on reservations. in the late 19th and early 20th centuries, the bureau of indian affairs (bia) founded additional boarding schools based on the assimilation model of the off-reservation carlisle indian industrial school.