Why was the declaration of independence important to the american revolutionary war effort?

The Declaration of Independence was important to the American Revolutionary War effort because it constituted a declaration of principles and a reaffirmation of the will of the colonies to separate from Great Britain.

From the Declaration of Independence, which effectively confirmed the separation of the colonies from Great Britain, many more people joined the patriot cause, while many people stopped supporting the British Crown.

answer; /// i believe that the correct answer is (d)the huang he river valley;

he believed that congress would be better not dealing with "lobbyists", or people who seek to influence (a politician or public official) on an issue, since historically, they had problems with these kinds of people. he thought lobbying produces benefits, but should be carefully monitored.