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Sentence
Span Details
核抑止
nuclear deterrencenoun
政策
policy; political measurenoun
は
topic markergrammar
冷戦時代
Cold War eranoun
に
direction, time, indirect object, or target markergrammar
重要
important; essential; significantna-adjective
な
adnominal form of the copula after a na-adjectivegrammar
役割を果たした。
play a role; serve a function; play a part-> 役割を果たすexpression, verb