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Sentence
Span Details
三国同盟
Triple Alliancenoun
は
topic markergrammar
第一次世界大戦
World War I; First World War; WWInoun
の
possession, attribution, nominalizer, or nominal linkergrammar
原因
cause; origin; sourcenoun, suru verb
の
possession, attribution, nominalizer, or nominal linkergrammar
一つ
one; for one thing; only; just; (not) even one; just (try it); a little; some kind of; one type ofnumeric, noun, adverb, no-adjective
とされ
is regarded as; is said to be-> とされるgrammar
ている。
ongoing or resultant stategrammar