Answer:
The conclusion of the Pacific Theater began the nuclear age and extended the US sphere of influence
Step-by-step explanation:
After the war ended, thus the conclusion of the Pacific Theater came, the United States became the power that control this part of the world. The majority of this region was controlled by Japan, but once the US threw the atomic bombs on Hiroshima and Nagasaki, Japan surrendered, and all the territories cam under the control of the US. Considering that right after the World War II ended, the Cold War started, and every piece of the world was very important, the United States hold firmly onto this region. The benefits for the United States were great, as they controlled the largest body of water on the planet, blocked the Soviets from it which also meant securing their western border, and they were also able to use the natural resources that the region provided.