What important lesson did the country learn because of the election of 1800?

America learnt that power could be passed from one party to the other and that the vote of the people was a powerful tool

Explanation:

The Election of 1800 saw a keenly contested presidential election between an Incumbent president ( president John Adams ) of the Federalist party and the Republican candidate Thomas Jefferson. the election was the fourth time That America was going tot the pools to elect an president.

The previous election have produced presidents from the same political party up until the election of 1800. Thomas Jefferson tagged the election "revolution of 1800" because America witnessed a change in power from one political party to another.

to keep us neatruel and not get involved in any wars

he assumed control of treaty negotiations with a hostile power