Changes

They are believed to have descended from [[Asia|Asians]] who crossed the [[Bering Straight|Bering land bridge]] during the last [[Ice Age]].  According to archaeologists, this took place as early as 20,000 years ago.<ref name="who">TIME - Who Were The First Americans?, By MICHAEL D. LEMONICK, ANDREA DORFMAN, Sunday, Mar. 05, 2006  [http://www.time.com/time/magazine/article/0,9171,1169905,00.html]</ref>  

They are believed to have descended from [[Asia|Asians]] who crossed the [[Bering Straight|Bering land bridge]] during the last [[Ice Age]].  According to archaeologists, this took place as early as 20,000 years ago.<ref name="who">TIME - Who Were The First Americans?, By MICHAEL D. LEMONICK, ANDREA DORFMAN, Sunday, Mar. 05, 2006  [http://www.time.com/time/magazine/article/0,9171,1169905,00.html]</ref>  

Those who are only partly descended from those early inhabitants are still considered American Indians if they maintain tribal affiliation or community attachment. However, each Indian tribe or band makes its own rulings regarding membership.

Those who are only partly descended from those early inhabitants are still considered American Indians if they maintain tribal affiliation or community attachment. However, each Indian tribe or band has its own definitions regarding membership, some based on historical tradition, others based on rules (like blood quanta) imposed by the US Government.

A few American Indians prefer to be called [[Native American]]s in order to distinguish themselves from the people of [[India]], and to emphasize their North America ancestry.

A few American Indians prefer to be called [[Native American]]s in order to distinguish themselves from the people of [[India]], and to emphasize their North America ancestry.