Term: international terrorism: terrorism practiced in a foreign country by terrorists who are not native to that country
Broader: terrorism: the calculated use of violence (or the threat of violence) against civilians in order to attain goals that are political or religious or ideological in nature; this is done through intimidation or coercion or instilling fear | Unrelated: stopper: (bridge) a playing card with a value sufficiently high to insure taking a trick in a particular suit