Cannae was a crushing victory for Hannibal, but it didn't win the war for him. Why? The answer lies in the nature of the Roman political system, which prioritized resilience, manpower, and the diffusion of authority.

Patrick's book is now available! Get The Verge: Reformation, Renaissance, and Forty Years that Shook the World in hardcopy, ebook, or audiobook (read by Patrick) here: https://bit.ly/PWverge. And check out Patrick's new podcast The Pursuit of Dadliness! It’s all about “Dad Culture,” and Patrick will interview some fascinating guests about everything from tall wooden ships to smoked meats to comfortable sneakers to history, sports, culture, and politics. https://bit.ly/PWtPoD

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