What describes a step that each former Confederate state had to take to gain readmission to the Union? (3 points) Select one: a. ratify the Thirteenth Amendment b. pay war reparations to the federal government c. disband its militia until a new state legislature was elected d. elect a certain percentage of African Americans to Congress Select one: a. ratify the Thirteenth Amendment b. pay war reparations to the federal government c. disband its militia until a new state legislature was elected d. elect a certain percentage of African Americans to Congress