Question

During the election of 1800, how was the president and vice president decided? how did the 12th amendment change the process of electing the president and vice president?

Answer 1

Since, an amendment to the U.S. Constitution, ratified in 1804, providing for election of the president and vice president by the electoral college: should there be no majority vote for one person, the House of Representatives (one vote per state) chooses the president and the Senate the vice president.