United States - Colonization, Revolution, Constitution | Britannica
https://www.britannica.com/place/United-States/History
WebUnited States - Colonization, Revolution, Constitution: When Columbus arrived, he found the New World inhabited by peoples who in all likelihood had originally come from the continent of Asia. Probably these first inhabitants had arrived 20,000 to 35,000 years before in a series of migrations from Asia to North America by way of the Bering Strait.
DA: 63 PA: 71 MOZ Rank: 30