The links to reviews are divided by both Unit Topic and Chapter in the text Patterns of Interaction: World History by McDougal Littell

Early Humans & Ancient Civilizations
Chapter 1 (The Stone Age)
Chapter 2 (Part 1-Mesopotamia, Egypt, Indus, China)
Chapter 3 (Part 2-Hebrews, Phoenicians, Indo-Europeans)
Chapter 4 (Part 3-Egypt's New Kingdom, Assyrians, Chaldeans, Persians)

Classical Civilization
Chapter 5 (Part 1-Greece)
Chapter 6 (Part 2-Rome)

Middle Ages:
Chapter 13 (Part 1)
Chapter 14 (Part 2)

Renaissance & Reformation
Chapter 17