Failed Amendments
What Two Constitutional Amendments Failed to Pass in U.S. History?

Learn about the two major U.S. constitutional amendments that failed: the Equal Rights Amendment and the District of Columbia Voting Rights Amendment.

Amendments Explained
Who Signed the 16th and 19th Amendments to the U.S. Constitution?

Learn which U.S. president signed the 16th and 19th amendments, enabling income tax and women's voting rights.