How did the increasing power of political parties affect the candidates in the presidential election of 1800?

The increasing power of political parties affected the candidates in the presidential election of 1800 when the most important and surprising change in the election happened which is the shift of power from the Federalists to the Democratic-Republicans which is done in a peaceful way. It was pointed out as a break from European precedent wherein the transfer of power was violent. This made the competition between Jefferson and Adams in 1800 really tense.