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