Answer:
They are crucial coordination hubs
Explanation:
State and territorial "governments play an important partnership role in the critical infrastructure security and resilience community because" they are crucial coordination hubs, bringing together prevention, protection, mitigation, response, and recovery authorities, capabilities, and resources among local jurisdictions, across sectors, and between regional entities.
The reason Egypt and Nubia were interdependent, meaning that both countries had to rely on one another for certain resources that were needed, was because both countries needed each others help. Numbia had more trade routes than Egypt, had natural resources they were interested in, and could also help fight off any invaders of Egypt.