Q Question 1: Mikhail Gorbachev is a notable Soviet leader because: (select one) Question 2: Which of the following best describes the Cold War? (select one) Question 3: On September 11, 2001, four airplanes were hijacked over United States airspace. Two of those airplanes were were flown into the Twin Towers in New York City and one was flown into the Pentagon in Washington, DC. The fourth was crashed by its passengers over Pennsylvania. Which answer below best captures the significance of this event? (select one) Question 4: Which of the following best describes the North American Treaty Organization (NATO)? (select one) Question 5: Which of the following best describes Détente? (select one)