it is believed that early man originated from Africa. these early men then migrated over the eastern hemisphere. then it is also widely thought that they migrated over the bering straight, then went on to populate the americas
It is believed that when the first humans came to North America there was exposed land connecting Siberia and Alaska, where the Bering Strait is now, and that is how they entered the continent.
bering strait
The Bering strait was covered by land at that point in time
The Asiatic Land Bridge once connected eastern Asia with the North American continent. It is now covered by the Bering Strait between Alaska and Russia.
Beringia -- The Bering Strait between Alaska and Siberia.
the early humans traveled about 50,000 miles to get to America
The land bridge is now under the Beiring Strait. It separates Alaska from Russia. Early people came to America by that land bridge.
it served as a gateway for immigrants entering the united states
The Bering Strait between Siberia and Alaska became dry land because of the last Ice Ace which caused much of the ocean water being locked up in giant ice fields, lowering the sea level considerably and turning the Bering Strait sea floor into dry land. At the end of the Ice Age the ice melted, the sea level rose again and Bering Strait once again became a sea. Up to that last Ice Age, the Americas were practically or even totally uninhabited by humans. Once the Bering Strait dried up and the climate of Siberia became too cold for humans to sustain, a trek started from Siberia to northern America, and from there, ever farther south.
Nearby Ellis Island was the first stop for millions of immigrants to the U.S. in the late 19th and early 20th centuries
The early immigrants of Cincinnati are the Germans and the Irish.
most used rafts across the pacific ocean to get to south america; other early humans came across the Bering Strait which once had a land bridge, then made their way further afield.