What theory of human settlement of the Americas does the above piece of evidence support ? Describe the theory

Historians sometimes rely on video recordings in researching past events because

Plz which of the following spanish conquistadors did not explore large parts of what is now the united states? a. juan ponce de leon. b. hernando cortés. c. hernando de soto. d. francisco coronado.

What was the most explosive issue facing the united states prior to the start of the civil war?