When it first formed in 1960, the Student Nonviolent Coordination Committee "did not promote the use of aggressive action." Instead, it was a group that foster racial communication and cooperation, especially with students.
The Student Non-violent Coordinating Committee or SNCC was formed as a peaceful civil rights organization by Ella Baker to bring young blacks into the movement.
SNCC organized younger blacks into a group to bring about social change using peaceful protest. The group organized the Freedom Rides where blacks challenged the segregation laws for buses. The group also worked to register blacks to vote. Despite the peaceful beginnings, SNCC came under the leadership of Stokely Carmichael in 1966 who began to speak of "black power" turning SNCC into a more militant group which accepted violence as a method of self-defense.
He was sent to jail because he and others were protesting the treatment of blacks in Birmingham, Alabama. The court told King he could not protest in Birmingham
The men of Umuofia wanted to go to war with Mbaino because one man of Mbaino killed another from Umuofia, and the men of Umuofia were extremely angry because of this.