Empires and Civilizations

Research collection exploring large-scale political entities: their rise, development, and decline.

• Rome — republic to empire to fall
• Byzantium — eastern empire's long survival
• British Empire — expansion, administration, decline
• United States — from republic to global power
• Civilizational development
• Civilizational decline — Toynbee, Spengler, and other frameworks

Research notes will appear here as they are added.