Aligned with the IBO's History Study Guide of 2020, this 76-page study guide examines the following 20th century conflicts: the Spanish Civil War (1936 - 1939), the Chinese Civil War (1945 - 1949), the Korean War (1950 - 1953), the Vietnam War (1963 - 1975), the Soviet-Afghan War (1979 - 1988), and the Persian Gulf War (1990 - 1991). This study guide examines the: long-term and short-term causes; the belligerents involved and international involvement (if applicable); the course of the conflict