Which of the Following Statements Best Summarizes the Story of How

Which of the following statements best summarizes the story of how humans first came into North America?

A) Viking explorers came across the North Atlantic Ocean in small sailing vessels.
B) Peoples from the ancient Mayan and Incan civilizations traveled on horse from what is now Mexico.
C) Small bands of hunters came from eastern Siberia by crossing the Bering land bridge.
D) Many of Columbus's first crew remained and established permanent settlements.