The spread of Champa rice cultivation techniques throughout East Asia from 1200-1450 MOST directly contributed to which of the following developments?
Strengthening of traditional clan-based political structures
Intensification of commercial networks linking China and Southeast Asia
Decline of Mongol military effectiveness in steppe warfare
Reduction in urban migration throughout the region
Verified for the 2025 AP World History: Modern exam•Citation:
Melissa Longnecker
AP World History Cram Unit 0: Context you need before 1200 CE