How did the Americas become populated by a land bridge, by boat, or by a combination of the two? Explain your position?

The natives crossed the bering sea bridge when water levels dropped

is there answer chooses?

`stare decisis is a legal doctrine that obligates courts to follow historical cases when making a ruling on a similar current or future case. stare decisis ensures that cases with identical facts be approached in the same way, unless overruled by the same court or a higher court such as the us supreme court. simply put, it binds courts to follow legal precedents set by previous decisions.

stare decisis is a latin term meaning "to stand by that which is decided".