This document contains attachments for a senior history class covering the origins and events of the Cold War over three terms. The first term addresses the origins of the Cold War in Europe up to 1949, examining Churchill's "Iron Curtain" speech and agreements and containment at the Potsdam Conference. The second term analyzes Soviet control in Eastern Europe through restrictions in Hungary and opposition in Czechoslovakia in 1956 and 1968. It also details developments leading to Communist takeover in Czechoslovakia in 1948 and the Berlin Blockade. The third term focuses on the Vietnam War, covering US tactics, why they struggled to defeat the Viet Cong, and debate around the impact of the My Lai massacre on US withdrawal.