What document does lincoln refer with the words "all men are created equal"?

The answer would be the Declaration of Independence. The Declaration of Independence articulates the principles on which the United States was established and the explanations for parting from Great Britain. Different from the other founding documents, the Declaration of Independence is not lawfully tie, but it is influential. Abraham Lincoln named it “a reproof and a stumbling-block to oppression and tyranny.” It lasts to encourage individuals from place to place the world to contest for freedom and fairness.