i belive theres @ least 15,000 migrations on the brig but you may have to do more research
They crossed over the land bridge called Beringia
they came across a ice-land bridge from Asia
beringia
They thought the America's would have better food and farming.
Asia
4
Central America land bridge
The Beringia Land Bridge
The Bering Strait
the last people to cross the bridge were the natives to the Russian/Alaskan areas..
The land bridge was covered with snow that melted and it is now known as the Bering Strait.
The second one.
Walked across a land bridge.
The earliest inhabitants of the Americas were thought to have come across a land bridge from Asia, based on anthropology as well as genetic evidence.
The American Indian come to North America from Siberia across the Bering land bridge.
Neanderthals did not migrate across the Bering land bridge as they primarily inhabited Europe and parts of western Asia. The land bridge was used by early human populations to migrate from Asia to the Americas.
They crossed over the land bridge called Beringia