Module 6

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Across
  1. 7. brought the two superpowers to the brink of war before an agreement was reached to withdraw the missiles.
  2. 10. played a key role in ending the Soviet Union's post-World War II domination of eastern Europe. Gorbachev helped take down the long-standing Iron Curtain separating Eastern communist states and Western noncommunist state
  3. 11. born January 20, 1930, Montclair, New Jersey, U.S.) is an American astronaut who was the second person to set foot on the Moon.
  4. 12. A decade later, Star Wars disappeared, quietly folded into a more conventional nuclear deterrent program: ground-based missile defense. Today, with Russia menacing Ukraine with nuclear weapons and China accelerating production of missiles and warheads, MAD remains the main reason nuclear war hasn't broken out
  5. 14. the first-ever invented artificial satellite launched into orbit by the Soviet Union from Kazakhstan on October 4th, 1957, effectively making the beginning of the Space Race between the United States and the Soviet Union.
  6. 15. principle of deterrence founded on the notion that a nuclear attack by one superpower would be met with an overwhelming nuclear counterattack such that both the attacker and the defender would be annihilated
  7. 17. Race competition for supremacy in nuclear warfare between the United States, the Soviet Union, and their respective allies during the Cold War.
Down
  1. 1. North Korea aimed to militarily conquer South Korea and therefore unify Korea under the communist North Korean regime. Concerned that the Soviet Union and Communist China might have encouraged this invasion, President Harry S.
  2. 2. political and economic doctrine that aims to replace private property and a profit-based economy with public ownership and communal control of at least the major means of production
  3. 3. an immensely powerful bomb whose destructive power comes from the rapid release of energy during the nuclear fusion of isotopes of hydrogen (deuterium and tritium), using an atom bomb as a trigger.
  4. 4. became the first person to walk on the Moon.
  5. 5. long, costly, and divisive conflict that pitted the communist government of North Vietnam against South Vietnam and its principal ally, the United States. The conflict was intensified by the ongoing Cold War between the United States and the Soviet Union
  6. 6. (born March 9, 1934, near Gzhatsk, Russia, U.S.S.R. [now Gagarin, Russia]—died March 27, 1968, near Moscow) Soviet cosmonaut who in 1961 became the first man to travel into space.
  7. 8. the competition between nations regarding achievements in the field of space exploration.
  8. 9. refers to an economic system in which a society's means of production are held by private individuals or organizations, not the government, and where products, prices, and the distribution of goods are determined mainly by competition in a free market
  9. 13. joined the astronaut program in 1959. He became the first American and the second man in space on May 5, 1961, when he piloted the Mercury spacecraft Freedom 7 on a 490-kilometer (300-mile), 15-minute suborbital flight.
  10. 16. built by the German Democratic Republic during the Cold War to prevent its population from escaping Soviet-controlled East Berlin to West Berlin, which was controlled by the major Western Allies. It divided the city of Berlin into two