Oleg Gordievsky, a Soviet KGB officer agent who helped change the course of the Cold War by covertly passing secrets to ...

But Hitler's Nazi menace would soon be replaced by a new threat to world peace as the Soviet Union and the United States faced off in the Cold War. Canada was thrust into the Cold War world ...

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.