This study guide covers Chapters 5 and 6 of a unit on Arkansas history. Chapter 5 discusses the four prehistoric periods of native Arkansans - Paleo, Archaic, Woodland, and Mississippian - and the tools, food, dwellings, and cultures of groups like the Osage, Quapaw, and Caddo tribes. Chapter 6 focuses on European exploration of Arkansas, including the expeditions of De Soto, Marquette and Joliet, and La Salle. It also discusses the establishment of the Arkansas Post by De Tonti and its daily life, and the two revolutions that impacted the Post.