Definition of collective security
: the maintenance by common action of the security of all members of an association of nations
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“Collective security.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/collective%20security. Accessed 3 Jul. 2022.
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Time Traveler for collective security
The first known use of collective security was in 1934
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