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Sentence analysis
7Spans
Sentence
Span Details
黒人兵
black soldier; African-American soldier; buffalo soldiernoun
は
topic markergrammar
西部開拓
settlement of the American frontier; settlement of the Old Westnoun
時代
period; epoch; era; age; the times; those days; oldness; antiquity; antique; period piecenoun
に
direction, time, indirect object, or target markergrammar
活躍
active role; energetic activity; great efforts; walking about vigorouslynoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar