How did the Declaration of Independence impact the Revolutionary War effort? A It made little difference.

B It brought France into the war on the side of the colonists.

C It made the war more difficult because the British were angry.

D It made colonists proud and unified them in their determination

D It made colonists proud and unified them in their determination.

Explanation:

The impact the Declaration of Independence had on the Revolutionary War effort was that it made Colonists proud and unified them in their determination. ... It made Colonists proud and unified them in their determination because they were tired of the British oppression, injustices, and heavy taxation.

herodotus taught this. herodotus was an ancient greek historian who was born in halicarnassus in the persian empire. he is known for having written the book the histories, a detailed record of his "inquiry" on the origins of the greco-persian wars.

i believe your answer is d)