bn:21466349n
Noun Named Entity
JA
アメリカ大陸への移住  過去3000年間東アジアからアメリカ合衆国へ移住した人数
EN
The continents of North and South America were settled by natives from Asia between 10 and 20 thousand years ago after they crossed a land bridge that formed between Alaska and far northeastern Siberia due to the lowering of sea level during the last ice age. Wikipedia
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