To answer the question about the Sumerians and their increased economic and military power, we can categorize the relevant causes and effects as follows:
Cause: Development of irrigation systems
Effect: Increased agricultural surplus, leading to economic stability and military power.
Cause: The rise of trade networks
Effect: Enhanced wealth and resources to support military endeavors.
Cause: Technological advancements (such as the wheel and writing)
Effect: Improved logistics and administration, facilitating military organization and economic management.
You would fill in these causes and effects in the designated areas to adequately illustrate the relationship between them.