Final answer:
The Incident Command System (ICS) has positively impacted incident management efforts by implementing civil defense and emergency preparedness measures, and ensuring the resilience of critical national infrastructure.
Step-by-step explanation:
The Incident Command System (ICS) has positively impacted incident management efforts in several ways. Firstly, it has helped in implementing civil defense and emergency preparedness measures, including anti-terrorism legislation. This ensures that there are proper protocols and procedures in place to handle emergencies effectively. Secondly, the ICS plays a vital role in ensuring the resilience of critical national infrastructure. It provides a framework that allows coordination and collaboration between various agencies and organizations involved in incident management. Overall, the ICS enhances the efficiency and effectiveness of incident management by providing a standardized approach to command, control, and coordination.