What were the methods used by individuals and groups during the Civil Rights Movement, and why were these methods so effective?

Some messages used by individuals and groups during the Civil Rights Movement were: Doing peaceful protests such as the Montgomery bus boycott Dec 5, 1955 - Dec 20, 1956. They were effective because that protest pretty much ruined the economy for the buses.

The civil rights movement used methods from all three classes, but those most commonly included were "nonviolent direct action"-a synonym for nonviolent struggle or nonviolent resistance, which generally referred to protest and persuasion methods to gain blacks access to segregated public facilities-and voter.