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ballistic missile – adj. a kind of missile able to travel long distances before returning to earth
sanctions – n. actions, usually economic or trade penalties, placed on a country to cause it to follow international law
grave – adj. very serious
exclusive – adj. available to only one person or group
provocations – n. acts meant to cause tension
sincere – adj. honest, to show true feelings
dialogue – n. discussion, talk between two or more people
