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Chapter 6: Trade

Chapter 7: Scale

Chapter 8: Space

Chapter 9: Instinct & Near-equality

Endnotes for Chapter 1

Endnotes for Chapter 2

Endnotes for Chapter 3

Endnotes for Chapter 4

Endnotes for Chapter 5

Endnotes for Chapter 6

Endnotes for Chapter 7

Endnotes for Chapter 8

Endnotes for Chapter 9

About the author

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