Synthesize insights from the entire unit on Urban Strategy and Cultural Infrastructure. Drawing on case studies from earlier lessons—Pre-Aztec urbanism in Mexico City, the rediscovered Maya city of Valeriana, and broader Latin American ancient urban systems—students analyze how ancient civilizations designed complex urban infrastructures, social systems, and economic networks that supported large populations. Activities include: timeline activities, sequencing activities, image activities, business reading, reading comprehension and business vocabulary. Grammar focus: Complex sentence structures. Business skills: Strategic analysis and Cultural evaluation.