The four branches of terrain warfare (mountain, river, marsh, flat) are foundational knowledge credited with the Yellow Emperor’s victories.

By Sun Tzu, from L'Art de la guerre

Key Arguments

  • Mastery of terrain-specific methods historically enabled decisive success.
  • These environmental doctrines form a core of practical military science.

Source Quotes

10. These are the four useful branches of military knowledge which enabled the Yellow Emperor to vanquish four several sovereigns. 11.

Key Concepts

  • These are the four useful branches of military knowledge which enabled the Yellow Emperor to vanquish four several sovereigns.

Context

ix. The Army on the March — historical validation of terrain doctrines