The document that Abraham Lincoln felt as the foundation of America is the Declaration of Independence.
By issuing the declaration of Independence , adopted by the continental congress on July 4 1776, the 13 American colonies severed their political connections to great Britain. The declaration summarized the colonists' motivation for seeking independence.
By declaring themselves independent as a nation, the American colonists were able to confirm an official alliance with the French government and to obtain assistance from France in the war against Great Britain.
