NATO Launches Largest Military Exercise in a Decade

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adversary – n. an enemy or opponent

authorize – v. to give power or permission to (someone or something)
confrontation – n. a situation in which people, groups, etc., fight, oppose, or challenge each other in an angry way

deputy – n. an important assistant who helps the leader of a government, organization, etc.

scenario – n. a description of what could possibly happen

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