Civilization Structures: North America vs. Central & South America

North America

• Smaller populations: Largest centers (e.g., Mississippian culture) ~10,000 people.
• Less hierarchical: No large empires; power distributed among elites.
• More egalitarian: Less social stratification, more mobility.
• Extensive trade: Leveraged river/lake networks for wide exchange.

Central & South America

• Larger populations: Maya, Aztec, Inca cities exceeded 1 million.
• Highly hierarchical: Strong central governments, large empires.
• Less egalitarian: Pronounced social stratification, limited mobility.
• Less trade: Fewer navigable waterways limited long-distance exchange.

These contrasts reflect different environmental adaptations and historical trajectories.