Question

after World War II which era started​

Answer 1

Answer:

By 1948, a new form of international tension had emerged--Cold War--between the United States and its allies and the Soviet Union and its allies. In the next 20 years, the Cold War spawned many tensions between the two superpowers abroad and fears of Communist subversion gripped domestic politics at home.

Explanation:

Mark me as brainiest

Answer 2

Answer:

The aftermath of World War II was the beginning of a new era for all countries involved, defined by the decline of all European colonial empires and simultaneous rise of two superpowers: the Soviet Union (USSR) and the United States (USA).