| Key Concept 4.1: The interconnection of the Eastern and Western Hemispheres, made possible by transoceanic voyaging, transformed trade and religion and had a significant economic, cultural, social, and demographic impact on the world. |
Key Concept 4.2: Although the world's productive systems continued to be heavily centered on agriculture, major changes occurred in agricultural labor, the systems and locations of manufacturing, gender and social structures, and environmental processes. |
Key Concept 4.3: Empires expanded around the world, presenting new challenges in the incorporation of diverse populations and in the effective administration of new coerced labor systems. |
