where are the native americans ancestors from?

please help i don't know the answer

Which native Americans?

Some are thought to have come across the Bering Land Bridge. Is that what you mean?
http://archaeology.about.com/od/bcthroughbl/qt/beringia.htm

The Native American's ancestors came from northeastern Asia. They crossed the land bridge over what is now the Bering Strait. Some probably also came by boat along the northeastern Asian coast and down the northwestern American coast.

http://education-portal.com/cimages/multimages/16/migration.gif

The ancestors of Native Americans are believed to have originated from Asia. To find the answer to your question, one way is to conduct research on the topic. Here are some steps you can take:

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