According to the land bridge theory, why may people have crossed into north america from siberia?

It is because we first came from Africa. Then we started to move east. Since there was the Bering we could cross the land to get to Alaska. This is were we started from that point. Some moved west and some moved east

On april 20, 1814, the dethroned emperor left france for the isle of  elba, where he was exiled under the terms of the treaty of fontainebleau.napoleon  would be allowed to ruleelba, which had 12,000 inhabitants. perhaps cruelly, the treaty allowed him to retain the title "emperor."