How did the Thirteenth, Fourteenth, and Fifteenth Amendments help to end slavery and grant equal protection and voting rights? 
a) Thirteenth Amendment abolished slavery; Fourteenth granted citizenship; Fifteenth granted voting rights 
b) Thirteenth Amendment granted voting rights; Fourteenth abolished slavery; Fifteenth granted citizenship 
c) Thirteenth Amendment granted equal protection; Fourteenth abolished slavery; Fifteenth granted voting rights 
d) Thirteenth Amendment granted citizenship; Fourteenth granted voting rights; Fifteenth abolished slavery