 Complete the following phrase:  Because of the prejudice and unfair treatment under segregation that had divided Oklahoma since 1910 with the grandfather clause and the national Jim Crow laws, civil rights groups began making movement in Oklahoma even before the technical civil rights era of the 1960s. African Americans experienced many counts of racial violence nationwide and in Oklahoma Specifically, even after gaining their freedom after the civil war. The results of the civil war, although it freed African Americans from slavery, did not prevent the inequality and prejudice freed black people would have to face in America. Oklahoma was no stranger to the nationwide inequality and segregation that the grandfather clause and later, Jim Crow Laws, caused. Specifically, the 