Final answer:
The Battle of the Atlantic was a contest between the German navy and Allied convoys during World War II. The Allies used technology and industrial power to gain an advantage and ultimately build more ships than the Germans could sink. This battle was significant because it helped ensure supplies reached Britain and the Allies could continue fighting.
Step-by-step explanation:
The Battle of the Atlantic was a contest between the German navy and Allied convoys during World War II. The German navy aimed to sink as many Allied cargo ships and troop transports as possible to force Britain to surrender and convince Americans that the war was too costly. However, the Allies used technology like sonar and industrial might to gain the advantage, eventually building more ships than the Germans could sink and destroying more U-Boats than the Germans could build.