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Sentence
Span Details
ソビエト社会主義共和国連邦
Union of Soviet Socialist Republics; USSR; Soviet Unionnoun
は
topic markergrammar
1922
-noun
年
year; counter for years; counter for grades; apprenticeship period (usu. ten years)noun, counter
に
direction, time, indirect object, or target markergrammar
成立
formation; establishment; coming into existence; conclusion; reaching; completion; being valid; holding true; applyingnoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar