- Justification for rebellion: The Declaration of Independence provided a moral and legal justification for the American Revolution, as it articulated the colonists' grievances against the British government and their right to self-government.
- Diplomatic recognition: The Declaration of Independence helped gain international recognition and support for the American cause, particularly from France, which eventually entered the war on the side of the Americans.
- Symbol of freedom: The Declaration of Independence became a powerful symbol of freedom and democracy, not only for the American colonists but also for people around the world who were seeking to break free from oppressive regimes.
- Legal basis for new government: The Declaration of Independence laid the foundation for the new American government, as it established the principles of popular sovereignty, consent of the governed, and the separation of powers.