What Report reported a 40% decrease in the number of armed conflicts being waged around the world once the state of geopolitical tension after World War II between powers in the Eastern Bloc and powers in the Western Bloc came to a close?
Cold War The Cold War was a state of geopolitical tension after World War II between powers in the Eastern Bloc (the Soviet Union and its satellite states) and powers in the Western Bloc (the United States, its NATO allies and others). Historians do not fully agree on the dates, but a common timeframe is the period between 1947, the year the Truman Doctrine (a U.S. foreign policy pledging to aid nations threatened by Soviet expansionism) was announced, and 1991, the year the Soviet Union collapsed.
Central and Eastern Europe Central and Eastern Europe, abbreviated CEE, is a generic term for the group of countries in Central Europe, Southeast Europe/the Balkans, Northeast Europe/the Baltics, and Eastern Europe, usually meaning former communist states in Europe. It is in use after the collapse of the Iron Curtain in 1989–90. In scholarly literature the abbreviations CEE or CEEC are often used for this concept. The definition of this region varies, depending on the source.