这个应该没有算中美洲和加勒比海
仅仅是加拿大和美国

【 在 tcsl 的大作中提到: 】
: While it is difficult to determine exactly how many Natives lived in North America before Columbus,[13] estimates range from 3.8 million, as mentioned above, to 7 million[14] people to a high of 18 million.[15] The aboriginal population of Canada during the late 15th century is estimated to have been between 500,000[16] and two million.[17]

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