<!-- generated: provider=openrouter model=arcee-ai/trinity-large-preview:free date=2026-02-19 source=book-3-chapter-01 -->

# Territorial Cultivation Limit

# Definition

The natural boundary on urban growth imposed by the extent of surrounding agricultural improvement, where towns cannot expand beyond what local cultivation can sustain until the entire territory is developed. This limit reflects the fundamental dependency of urban populations on rural surplus production.

## Source Chapter

Book III,
