Respuesta :
Ratify the Fourteenth Amendment is the one that describes a step that each former Confederate state had to take to gain readmission to the Union. The correct option among all the options that are given in the question is the first option or option "1". I hope the answer has come to your help.
The statement that describes a step that each former Confederate state had to take to gain readmission to the Union is "ratify the Fourteenth Amendment.." The states were required to ratify 3 amendments to the Constitution and submit to military law. (The amendments: #13 Abolishment of slavery, #14 equal protection for all citizens, #15 right to vote for blacks.)