July 4 1778 is when the colonists did what

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.

Explanation:

The Second Continental Congress unanimously adopted the Declaration of Independence, announcing the separation of the American colonies from Great Britain.

answer; /// i believe that the correct answer is( it left behind rich

the indians crossed artificial boundaries, setting the stage for conflict