Thomas Jefferson eventually won in 1800 after 36 votes in the House of Representatives, which forever changed how presidential elections were held. This election exposed the weaknesses of Article II, Section 1 of the Constitution, which instructed how the president was to be elected. After the 1800 election, these weaknesses were addressed by the adoption of the 12th Amendment. This pivotal election also saw the advent of the two-party political system. During the 1787 Constitutional Convention, a dispute arose over how the president was to be elected. Some wanted Congress to elect the executive, some wanted the president chosen by state legislatures, and yet others wanted the president elected by popular vote. As a compromise, it was established that the president would be chosen by electors equal to a state’s congressional representatives. Initially, the choosing of electors and how they would vote was left up to the state legislatures. In the modern era, the electors from each state, except Maine and Nebraska, vote for the candidate popularly chosen by a state’s voters. Electors from Maine and Nebraska cast representational votes based upon the proportion of votes for each candidate. Thomas Jefferson eventually won in 1800 after 36 votes in the House of Representatives, which forever changed how presidential elections were held. This election exposed the weaknesses of Article II, Section 1 of the Constitution, which instructed how the president was to be elected. After the 1800 election, these weaknesses were addressed by the adoption of the 12th Amendment. This pivotal election also saw the advent of the two-party political system.
Abraham Lincoln, James Abram Garfield (1881), William McKinley (1897-1901), and John F. Kennedy (1961-63) you should post your options but i hope this helps
