Thomas Jefferson declared the natural rights of all mankind. The act was declared irrevocable and had no effect in law. But was still considered in the making of the constitution. http://religiousfreedom.lib.virginia.edu/sacred/vaact.html
United States first attempt to govern itself. This loosely uniting the states as a confederation only. The articles were abandon and they drafted the constitution with stronger national government. http://www.surfnetkids.com/declaration.htm
The Declaration of Independence is the most cherished symbol of liberty .Thomas Jefferson declared that the states were free and that not one person was in control over the majority. http://www.constitution.org/usdeclar.pdf
This pamphlet inspired many people to get involved in the strive for independence. It also prepared the colonists for the Declaration of Independence, written later that year.