If people have been in the Americas for thousands of years, and homo-sapiens originate from Africa, how did they get there?

Question

If people have been in the Americas for thousands of years, and homo-sapiens originate from Africa, how did they get there?

In: 0

Answer 1

By walking with perhaps some use of boats. Distances are long but it took tens of tenns of thousands of earth so the moment per generation could be quite slow. There is a map with the approximate time for human arrival-

https://en.wikipedia.org/wiki/Peopling_of_the_Americas#/media/File:Early_migrations_mercator.svg

During the last ice age the global water level was lower. One of the results is the bearing sea and bearing sea between Asia an America was dry land so it is possible to walk between the continents. Exactly how they passed by the glaciers.

Exactly how the past by the shelf ice is not clear, the two main alternatives is inland after enough ahead melted for a passage through or with boats along the coast.

https://en.wikipedia.org/wiki/Peopling_of_the_Americas