7.1 Byzantine EmpireIntroductionOver a 300-year period, the western part of the Roman Empire steadily declined becauseof internal and external problems.Causes such as:oEconomyoMilitaryoGeographic sizeoDiseaseoWeak AdministrationoInvasionsEmperor Constantineestablished a second capital at Byzantium, which he renamedConstantinople establishing the Eastern Roman Empire (Byzantine Empire) to providepolitical, economic, and military advantages.Location of ConstantinopleProtection of the Eastern frontierDistance from Germanic invasions in the western empire.Crossroads of trade.Easily fortified site on a peninsula bordered by natural harbors.Role of ConstantinopleThe seat of the Byzantine Empire until the Ottoman conquestPreserved classical Greco-Roman cultureCenter of tradePolitical Development