Final answer:
The election of 1800 between John Adams and Thomas Jefferson was significant for the peaceful transfer of power, the regional divide, and setting a precedent for future elections.
Step-by-step explanation:
The election of 1800 between John Adams and Thomas Jefferson was highly significant for several reasons. Firstly, it was the first time in American history that power was transferred from one political party to another through a peaceful and democratic process. This peaceful transfer of power is often referred to as the 'Revolution of 1800'. Additionally, the election highlighted the divide between the North and the South, with Adams receiving support from the North and Jefferson from the South. Lastly, the election set a precedent for the peaceful transition of power in future elections, which is a key feature of American democracy.