The Bering strait was covered by land at that point in time
to get food
indians
asia
Probably around 10,000 years ago.
Early Americans, or Native Americans, migrated from East Asia to North America and then from here into South America, where their people flourished for thousands of years.
The ancestors of today's dogs were actually transported across the pacific oceans to reach North America by the early explorers.
It is believed that the first humans to cross from Asia to North America did so around 20,000 years ago via a land bridge known as Beringia during the last Ice Age. This migration led to the peopling of the Americas by early hunter-gatherer groups.
Walked across a land bridge.
you would cross mexico to get to south america.
The bering strait
Climate,geography,and resources.
Boston is in North America, and Amsterdam is in Europe. To get from North America to Europe, you must cross the Atlantic Ocean.