What was the declaration of the independence?

Answer 1

a statement adopted by the Contential Congress on July 4, 1776, which announced that the Thirteen American Colonies then at war with Great Britian regarded themselves as independent states, and no longer a part of the Britan Empire.

In short, it is like a break up letter between the US and Britain

Answer 2

The Declaration of Independence was a document adopted by the Continental Congress on July 4, 1776, declaring the thirteen American colonies independent from British rule. It outlined the principles of individual rights, government by consent, and equality that inspired the American Revolution and served as the foundation for the United States of America. The document was primarily drafted by Thomas Jefferson.