Who was the Democratic-Republican presidential candidate in 1800 that was involved in a duel that killed Alexander Hamilton?

Aaron Burr was the Democratic-Republican presidential candidate in 1800 who is infamously known for his duel with Alexander Hamilton, which resulted in Hamilton's death. The duel took place on July 11, 1804, after years of political rivalry and personal animosity between the two men. Hamilton had been a prominent Federalist and a strong opponent of Burr's political ambitions, which contributed to the tension leading up to the duel.

In the context of the 1800 election, Burr played a critical role alongside Thomas Jefferson in what became a highly contentious and pivotal election. The Democratic-Republicans aimed to secure power against the Federalists, and the election ultimately led to the first peaceful transfer of power between rival political parties in U.S. history. Burr’s actions during the duel and the resulting fallout led to his political decline, overshadowing his role in the election itself.

The other candidates listed either did not participate in dueling events involving Hamilton or were not directly involved as candidates in the 1800 presidential election. Thus, Burr stands out as the individual who fits both the political context and the specific event of Hamilton's death in the duel.