When did the first Indians come to America?:
Their descendants explored along the west coast of North America. As early as 1000 BC, they had covered nearly the entire continent. It is not known when the first people arrived in the Americas. Some archaeologists believe it might have been about 12000 BC.
Why did the first Indians come here?
Drought, flood, and temperature changes are believed to be the reasons why Native Americans came to Americas because they were following where their food went and those three things can affect the abundance of their food.
How did the first Indians come to America?
It is believed that they migrated from Eurasia across Beringia, a land bridge that connected Siberia to present-day Alaska during the Last Glacial Period, and then spread southward throughout the Americas over subsequent generations.