This document provides an overview of Native American groups in North America prior to European contact, including their similarities in diet, tools, and lack of writing systems. It then contrasts Native Americans with early Europeans, noting Native Americans had less dense populations and no wheels, ships, or large domesticated animals. The document goes on to summarize European exploration of North America starting in the 15th century with Prince Henry, Bartolomeu Dias, and Vasco da Gama, leading up to early colonial settlements by Spain, Portugal, England, France, and the Netherlands. It concludes by outlining the growth of the Thirteen Colonies and events leading up to the American Revolutionary War.