It was called the Cold War, as the two sides never directly ... The Soviet Union also agreed to support the USA in the war against Japan. The Big Three met again five months later in Potsdam ...

The Cold War is the title given to the period of tension between the two superpowers, the USA and the USSR, which dominated international relations for most of the second half of the 20th century.

China is expanding its military reach and presence within the three Pacific island chains with the world's largest navy.