How was the Declaration of Independence important to the American war effort? What consequences did it have?

The Declaration of Independence helped unite the colonies so they would all fight together in the Civil War rather than turn on each other or refuse to aid, or rather instead of siding with England. The consequence was a greater stray from England which led to more tension and war between the two.

to extend a country’s power and influence

c, because the american revolution was from 1765 to 1783.