Question

The Allied strategy in the Pacific was called

Answer 1

"The U.S would focus on the Pacific while the other Allies focused on Europe" was in general the Allied strategy during World War II, but it should be noted that this varied. 

Answer 2

Leapfrogging, also known as island hopping, was a military strategy employed bythe Allies in the Pacific War against Japan and the Axis powers during World War II.