Question

At the end of World War II, there was only one superpower. Who was it? Red China United States Soviet Union Great Britain

Answer 1

The United States became the world superpower as we were the only nuclear capable country at the end of WWII.  However, this changed in the late 1940s when the Soviet Union became nuclear capable. For many years afterwards, the two great superpowers were the U.S. and the Soviets.