BLUF

The author argues the main reasons for failure involve military strength, economic stability, effective governance, cultural assimilation, and adaptability.  

Summary

KEY POINTS:
  1. Avoiding ‘strategic overreach’ includes balancing wealth and the economic base with military power and strategic commitments.
  2. Great powers face constant tension between investment, defence, and consumption.
  3. Pressure from external forces is also a factor in success or collapse.
  4. Protecting your competitive strengths can be as important as punishing the other side.

References