North America Before Human Settlement
Published on Nov 21, 2015
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These glaciers receded around the time that the first Native Americans came to North America from Asia.
Photo by Boston Public Library
One theory to how these people arrived on the continent is the land bridge theory.
Photo by MinutesAlone
This theory says that the first people to arrive in North America were hunters.
These people followed the herds of animals that they hunted for food. The herds led them across the stretch of ocean between Russia and Alaska that was frozen over at that time.
Photo by OnceAndFutureLaura
The people made their way to the southern part of the continent until the glaciers started melting, making the land to the north more liveable.
Photo by leiris202
The second major theory to how the Native Americans settled in North America is the coastal theory.
Photo by harold.lloyd
This theory says that the first Native Americans were fishermen that sailed across the Pacific Ocean and eventually settled in North America around California.
Photo by john47kent
