Unit 4 Part A- GeographyOnline version Unit 4 Part A- Geography Allies, Axis, European Union, Imperialism, Iron Curtain, Monarchy, NATO, Ottoman Empire, by Brianne Mathis 1 Group 1 2 Group 2 3 Group 3 4 Group 4 5 Group 5 6 Group 6 7 Group 7 8 Group 8 allies the nations, primarily Great Britain, France, the Soviet Union, and the United States, allied against the Axis during World War II. Axis A group of countries that opposed the Allied powers in World War II, including Germany, Italy, and Japan. European Union Formed after WWII when Europe started cooperating with each other (called EU) imperialism Territorial expansion (Great Britain controlled many countries in Africa) Iron Curtain a political boundary (imaginary line) dividing Europe into two separte areas from the end of World War II in 1945 until the end of the Cold War in 1991 Monarchy Ruled by a king or a queen NATO North Atlantic Treaty Organization (NATO) was set up to protect the west from the threat of communism Ottoman Empire Former Turkish Empire that was founded around 1300 and collapsed after World War I