they brought republican ideas to southern politics
they passed the civil rights act of 1866.
It was called the Montgomery bus boycott. The boycott was inspired by Rosa Parks' arrest for refusing to give up her bus seat to for a white man on December 1, 1955. African-Americans walked or rode in African-American-owned taxis from December 5, 1955, until the boycott ended on December 20, 1956.
they used violence to prevent freed people from voting