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collective security

British  

noun

  1. a system of maintaining world peace and security by concerted action on the part of the nations of the world

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Though “American hegemony” offered some benefits—“open sea lanes, a stable financial system, collective security and support for frameworks for resolving disputes”—it also required collective self-deception.

From The Wall Street Journal

Prince Harry said the sacrifices of troops needed to be respected as he pointed out Nato's collective security clause had been invoked once - following the 9/11 attacks.

From BBC

That was from an international rules-based order, under “American hegemony,” which he said “helped provide public goods, open sea lanes, a stable financial system, collective security, and support for frameworks for resolving disputes.”

From Barron's

The UK and other nations joined the US in Afghanistan after Nato's collective security clause was invoked following the 9/11 attacks.

From BBC

In fact, following the 9/11 attacks, the UK and a number of other allies joined the US from 2001 in Afghanistan after it invoked NATO's collective security clause.

From Barron's