Answer:
The war decimated the British economy. The only way they didn't lose the war was because they were getting billions of dollars in supplies from America. Because the US joined later in the war they were one of the only countries in the world with an economy left standing. This, in turn, made the US emerge as a superpower.
A. Hieroplyphics is the answer :)
Explanation:
Become the most populous empire in the world.
