Which of the following contributed to increased economic and military power of the Sumerians? Cause_________Effect increased economic and military power
1. Development of advanced irrigation techniques - increased agricultural productivity and population growth
2. Establishment of trade networks with distant civilizations - access to valuable resources and increased wealth
3. Construction of defensive walls and fortifications - improved defense against external threats and invasions
4. Military innovations such as the invention of the wheel and chariots - enhanced military capabilities and strategic mobility