Question

Which of the Civil War and Reconstruction amendments has had the greatest impact on American history?

Answer 1

Reconstruction amendments, had the biggest impact on American history since it declared that all American citizens must have equal rights and protections under the law.

Answer 2

This is a bit subjective, but one could argue that the Fourteenth Amendment, which was one of the Reconstruction amendments, had the biggest impact on American history since it declared that all American citizens must have equal rights and protections under the law.