War in Korea and a New Red Scare

rush by the United States and the Soviet Union to build more weapons

willingness to go to the brink of war to stop communism

line that marked the division between North Korea and South Korea

world's first artificial satellite, launched by the Soviet Union in 1957

nuclear weapon far more powerful than the atomic bomb

Wisconsin senator who made charges of communism in the government and the military

Communist leader who established the People's Republlic of China