exclusive – adj. available to only one person or group
provocative – adj. causing discussion or argument
ironclad –adj. very strong and secure, too strong to change
inflammatory – adj. causing anger
obligations – n. things that are required to be done by a rule or law
ballistic missile – n. a weapon able to travel great distances
defy – v. to refuse to obey
challenge – n. the act of questioning authority or some action
grave – adj. very serious
impeachment – n. the action of charging a public official with crimes while in office