The Thirteenth, Fourteenth, and Fifteenth Amendments were all important additions to the Constitution because they
A) repealed previous amendments.
B) granted more freedom to women.
C) addressed issues that contributed to the Civil War.
D) were passed over the objection of the majority of the states.
They addressed issues that led to the Civil War. The 13th, 14th, and 15th amendments were known as the Civil War Amendments, and were made to ensure equality for recently emancipated slaves. Because slavery led to the Civil War, the answer is C.