How was Native American culture spread in Early America. Please answer :) if you know

The history of Native Americans in the United States began in ancient times tens of thousands of years ago with the settlement of the Americas by the Paleo-Indians. Anthropologists and archeologists have identified and studied a wide variety of cultures that existed during this era. Their subsequent contact with Europeans had a profound impact on the history of their people.

i dont know cuh

number 4. should be the correct answer