Key U.S. Strategy in the Pacific Theater

As World War II unfolded, the tactics and strategies employed by the United States forces in various theaters were critical to the eventual Allied victory. A key component of these operations was the use of specific military strategies that adapted to the challenges presented by both the Pacific and European theaters. In light of this context, which of the following military strategies was primarily employed in the Pacific Theater that significantly contributed to U.S. successes against Japanese forces?