Expanded the welfare state
Answer:
The Founding Fathers credited the 39th clause as the origin of the idea that no government can unjustly deprive any individual of “life, liberty or property” and that no legal action can be taken against any person without the “lawful judgement of his equals,” what would later become the right to a trial by a jury of one’s peers.
The last phrase of clause 39, “by the law of the land,” set the standard for what is now known as due process of law
Explanation:
As the first peaceful transition of political power between opposing parties in U.S. history, however, the election of 1800 had far-reaching significance. Jefferson appreciated the momentous change and his inaugural address called for reconciliation by declaring that, "We are all Republicans, we are all Federalists."
For more info http://www.ushistory.org/us/20a.asp