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Sentence analysis
10Spans
Sentence
Span Details
アメリカ
United States of America; USA; US; America (the continents); the Americas-> 亜米利加noun
の
possession, attribution, nominalizer, or nominal linkergrammar
フロンティア
frontier (esp. American frontier); frontier (of a field); forefront (of science, technology)noun
は
topic markergrammar
1890
-noun
年
year; counter for years; counter for grades; apprenticeship period (usu. ten years)noun, counter
に
direction, time, indirect object, or target markergrammar
消滅
extinction; disappearance; vanishing; termination; annihilationnoun, suru verb
した
light/support verb with a noun or noun-like phrase-> するgrammar
とされる。
is regarded as; is said to begrammar