Answer:
1) The twelfth amendment was added to the us constitution.
2) The judicial review process was developed and begun.
Explanation:
Thomas Jefferson was the third president of the United States of America, occupying the position between 1801 and 1809. He is considered one of the founding fathers of the nation.
His eminence is given because he was the principal author of the Declaration of Independence of the United States of 1776. Jefferson was one of the most influential Founding Fathers, known for his promotion of the ideals of republicanism in the United States. He anticipated the vision of the United States of America as the endorsement of a great "empire of freedom" that would promote democracy and the struggle against British imperialism.
The major events that took place during his presidency included the Louisiana Purchase (1803) and the Lewis and Clark Expedition (1804-1806), as well as the escalation of tensions with Britain and France, which led to the Great War. Britain in 1812, after leaving office.
