How
did the
u. s
army effect the war

No immediate military or economic impact on the war because the Allies had already relied on American industry to provide them with resources for the war. 2. Arrival of fresh American troops was the greatest contribution to the war.

Explanation:

a phrase from a poem by ralph waldo emerson about the battle of lexington and concord. emerson's words read, “here once the embattled farmers stood / and fired the shot heard round the world.”