The years between the end of the Civil War, in 1865, and the end of the century witnessed rapid and far-reaching change in the economic and social life of the...
Humans migrated from Asia into Beringia—a region of land now covered by seas between present day Siberia and Alaska. Humans probably moved through Beringia and into North America in three phases of migration during low sea levels over thousands of years between ca. 70,000 BC and ca. 8,000 BC.