This worksheet for AP World History: Modern Unit 2.6 examines the environmental consequences of interregional trade from c. 1200 to c. 1450. Students explore the spread of crops, animals, and diseases along the Silk Roads, Indian Ocean, and Trans-Saharan routes. Activities include extended background reading, analysis of text-based sources, guiding questions, SAQ practice, and a critical thinking essay prompt. What’s Included: Extended background reading on diffusion of bananas, rice, sugar, cit