What was the Allied strategy used after U.S entered the war?

After the U.S. entered World War II, the Allied strategy focused on a combination of defeating Germany first while containing Japan in the Pacific. This approach, known as the "Germany First" strategy, prioritized resources and military efforts towards Europe, aiming to weaken the Axis powers through key operations like the invasion of North Africa and the D-Day landings in Normandy. Additionally, the Allies sought to secure supply lines and gain control of strategic territories to enhance their overall military effectiveness.