<Li> Más a Tierra </Li> <P> See also: Hindu--German Conspiracy </P> <P> United States Navy operations during World War I began on April 6, 1917, after the formal declaration of war on the German Empire . The American navy focused on countering enemy U-boats in the Atlantic Ocean and the Mediterranean Sea, while convoying men and supplies to France and Italy . Because of United States' late entry into the war, her capital ships never engaged the German fleet, and few decisive submarine actions occurred . </P> <P> The main theater of World War I was the Western Front . In order to relieve the British and European allies already on the battle front, the United States Navy was tasked with transporting millions of American soldiers and supplies across the Atlantic to France . The United States Navy was ill - prepared for war, and the only solution was to begin deploying whatever was available on convoy duty and arming merchantmen with small naval guns manned by armed guard detachments . </P>

What was the united states navy's contribution to the war