World History: Patterns of Interaction Power Presentations DVD-ROM World History: Patterns of Interaction World History: Patterns of Interaction combines a highly visual approach with primary sources to help all students understand world history and make global connections. Grades: 9-12 Material Type: Resource Materials Format: DVD ISBN-13/EAN: 9780547064406 ISBN-10: 0547064403 Product Code: 1040128 National/State: National Copyright Year: 2009