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Notes and Reflections on Books and Media

by Hannah Leitheiser

Not Again

21 Lessons for the 21st Century

Yuval Noah Harari




- Yuval Noah Harari, 21 Lessons for the 21st Century (2018)

Why may the 21st Century not mirror the 20th?

War's profitability went down.

Natural resources, slaves, and land can be had by force. Technology, processes, and intangibles, not so much.

Now, I don't think war is merely an economic matter, and you can't rule out innovative ways to profit from conquest, but I think it's true wars don't bring national wealth like they used to.