high alert – expression. heightened or increased preparedness
provocation – n. an action that makes someone angry
aircraft – n. an airplane, helicopter or other machine able to fly
retaliation – n. the action of answering an attack
couple – n. two of something
function – n. the special purpose or activity for which something exists
route – n. a path or way of getting from one point to another
credit cards – n. a card used as a method of payment
regime – n. a government; a system or planning way of doing things
sanctions – n. a threatened punishment for disobeying a rule or law
allow – v. to permit or let
fundamental – adj. of central importance