4.1 Technological Innovations from 1450-1750 - Listed on TpT - Do Not Delete4.2 Exploration: Causes and Events from 1450-1750 4.3 Columbian Exchange 4.4 Maritime Empires Established - Listed on TpT - Do Not Delete 4.5 Maritime Empires Maintained and Developed 4.6 Internal and External Challenges in State Power from 1450-1750 - Listed on TpT - Do Not Delete 4.7 Changing Social Hierarchies from 1450-1750 4.8 Continuity & Change from 1450-1750 
