Answer:
Option A, is the right answer.
Explanation:
Amendment Twelfth to the U.S. Constitution presents the people of America with the method for choosing the President and Vice President of the United States. It superseded the system that the Article Second, Clause three of Section one provided by which the Electoral College formerly operated. The Congress of the United States proposed this amendment on 9th December 1803 and it was approved by the 3/4 of the state legislatures on 15th June 1804.