The Cold War was a state of geopolitical tension after the end of World War II. It pitted the Eastern Bloc (the Soviet Union and its allies) against the Western Bloc (the United States, its NATO allies).
The Cold War split the temporary wartime alliance against Nazi Germany, reflected in the partition of Germany into West and East. The term "cold" is used as there was no large-scale fighting directly between the two sides, although there were "proxy wars" in other countries. Historians date the period between 1947, the year the Truman Doctrine (a U.S. foreign policy pledging to aid nations threatened by Soviet expansionism) and 1991, the year the Soviet Union collapsed. Here you can find an automatic compilation of all DW content referring to the "Cold War."
North Korea and communist East Germany cooperated plenty during the Cold War. But almost from the off, GDR officials could smell something rotten in Pyongyang. Their once-secret observations are now freely available.
The US has classified China and Russia as its main military competitors in a strategy document. Moscow has dismissed Washington's defense policy as "imperialist," while China said it represented a "Cold War mentality."
Relations between the US and Russia have dipped to their lowest level in recent years. But there is an island of optimism - a US-Russian exchange program run by the Council of International Educational Exchange. The non-profit organization has just celebrated its 50th anniversary. And, as Emily Sherwin found out, its alumni have a different take on Russia.