Gorbachev's policies of perestroika and glasnost helped bring down the Berlin Wall

Which concept best reflects this statement: "The more powerful a state becomes, the more other states will perceive it as a threat, and begin to treat it accordingly?"

a. Coercive diplomacy b. Security dilemma c. Deterrence d. Traditional security

The U.S. economy is best categorized as ______.

a. laissez-faire b. command and control c. mixed d. socialist