In 1804, the 12th Amendment changed the way United States___.

elects the President and Vice President

elects senators

ratifies amendments

passes federal legislation

The Twelveth Amendment to the United States Constitution was proposed into law on December 9, 1803 and it was ratified by the states in 1804. This Amendment sought to replace the procedures proposed in Article II, Section 1, clause 3, which instituted the roles and functions of the Electoral College. This Ammendment changed the procedure by which the President and Vice President are to be elected. Originally, the Electoral College would cast two votes, indifferent to whether they were for the President or Vice President. The candidate with the most votes was elected President and the second with the most votes was elected Vice President. Now, with the Ammendment, the votes casted by the Electoral College are divided into votes for the office of President and one for Vice President. Correct answer then is A.

elects the President and Vice President

Explanation:

Due to the problems that arose in the elections of 1796 and 1800, it was proposed and the twelfth amendment provides a procedure for the election of the president and vice president of the United States of America. This amendment was approved in 1803, and ratified in 1804.