They increased their country's manufacturing capabilities.
U.S, & Russia.
USA
To rebuild their country and become a stronger country
Become an ally of the soviet union-----APEX
The USA and Russia were the two main superpowers (although Russia did not have much of a Navy at the end of the war, it was mainly a air and land based superpower). England was still a superpower, but, it was in decline and many of it's colonies would soon get their freedom. France, mostly conquered by Germany, was not a superpower, although it continued to act as though it were, and it lost most of it's colonies after the war as well.
Economic prosperity and choosing their friends well
japan
become an international superpower later in the twentieth century.
U.S, & Russia.
industrialized
The United States emerged from the war as superpower.
US and USSR
America and Russia.
USA
After the Cold War, the United States emerged as the world's leading superpower. Even as a superpower, the US cannot enforce all of its policies on the rest of the countries in the world.
After World War II, the productive capacity and technological advances gave the US a distinct advantage. It was not ravaged by the war and its infrastructure was intact.
WHEN THEY ACTED AS GUERILLAS.