Respuesta :
Answer:
They were unable to trade crops with one another. They did not cooperate to build irrigation systems.
Explanation:
Answer:
D. They could not defend themselves against stronger groups. CORRECT
Explanation:
Answer:
They were unable to trade crops with one another. They did not cooperate to build irrigation systems.
Explanation:
Answer:
D. They could not defend themselves against stronger groups. CORRECT
Explanation: