This blog post from the National Archives discusses the origins and rationale behind the Twelfth Amendment, focusing on the issues that arose in the election of 1800. It explains how the amendment restructured the Electoral College by requiring electors to cast separate votes for president and vice president, thus avoiding future electoral deadlocks.

The Annenberg Classroom article explains how the Twelfth Amendment was adopted to fix issues with the Electoral College system after the election of 1800 resulted in a tie. It highlights that the amendment established separate voting for the president and vice president, ensuring more clarity and preventing confusion in future elections.

This article explores the flaws in the original Electoral College system, revealed during the election of 1800, and how the Twelfth Amendment addressed them. It explains the impact of political parties and the change to separate votes for president and vice president. The article also highlights the amendment's continued importance in ensuring the smooth functioning of the Electoral College, especially in multi-candidate elections.