Final answer:
Emergency management requires coordination and integration across various agencies and sectors to effectively respond to crises and ensure national infrastructure resilience.
Step-by-step explanation:
Emergency management must be coordinated and integrated across jurisdictions and response agencies, private sector organizations, and nongovernmental agencies. This coordination is critical for implementing civil defense and emergency preparedness measures, which can include anti-terrorism legislation and ensuring the resilience of critical national infrastructure. In times of crisis, such as natural disasters or terrorist attacks, the integration of different organizations is essential for an effective response. The Federal Emergency Management Agency (FEMA), despite its challenges during Hurricane Katrina, is a key player in managing these efforts and works to enhance its coordination with other bodies to improve overall emergency response.