
12th Amendment | What is the Twelfth Amendment?
The Twelfth Amendment in the Constitution changed the Electoral College to enforce separate votes for the office of President and Vice President.
Read the Additional AmendmentsTwelfth Amendment

The Election of 1824: John Quincy Adams
Review the controversial election of 1824 between John Quincy Adams and Andrew Jackson. This was the first election decided by the House of Representatives after the passage of the Twelfth Amendment, which had been ratified in the wake of the election of 1800.
Jonathan White: 1824 & Contentious Elections | BRI Scholar Talks
Piece together the historical background behind one of the most contentious elections in American history. In 1824, none of the four candidates—Andrew Jackson, John Quincy Adams, Henry Clay, or William Crawford—were able to obtain a majority of the Electoral College vote. The Twelfth Amendment required the election be sent to the U.S. House of Representatives, where John Quincy Adams was chosen as the sixth U.S. president. Was the election a crisis or a demonstration of the successful workings of constitutional principles?