The statement that best describes the world's superpowers since the end of WWII is that The United States and the Soviet Union were rival superpowers until the end of the Cold War, when the United States became the sole superpower.
The cold war was a period of geographical and political tensions between the United states of America, the Soviet Union and the allies that each side had.
The war was mostly on economical and political basis. The cold war ended after the Soviet Union got to be divided into smaller countries.
This led to the United States becoming the sole superpower.
Read more on https://brainly.com/question/6530571?referrer=searchResults
