UNIT SEVEN: Imperialism & War.
Content: Imperialism & Expansion (including purchasing land, Indian Wars & Manifest Destiny, Spanish American War, acquiring territories, rise to becoming a world power); Americans Fight (WWI, WWII, use of the atomic bomb, internment of Japanese-Americans, Cold War, Korean War, Vietnam War, covert operations especially in South America, Gulf War, 9/11, War on Terrorism.