How did african-americans straighten the republican party in the south

Following the Civil War, Radical Republicans in Congress introduced a series of laws and constitutional amendments to try to secure civil and political rights for black people. This wing of the Republican Party was called “radical” because of its strong stance on these and other issues. The right that provoked the greatest controversy, especially in the North, concerned black male suffrage: the right of the black man to vote

Iraq because its lack of policing and government concern