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Collaboration among agencies is critical. The United States faces a range of potential threats that would require a quick and coordinated response by many agencies. Our nation's capacity to prepare for and respond to terrorist attacks, natural disasters, and other large-scale emergencies — especially ones involving simultaneous attacks at different locations — hinges on the ability of agencies to communicate with one another, share resources, and coordinate and execute a joint effort.

Researchers who study coordinated emergency response have identified both barriers and promising practices to help law enforcement and public health agencies improve interagency support during such situations. First and foremost, we know that multiagency coordination is a challenge at all levels. Even small problems can be exacerbated when crises occur in several places simultaneously or when reports by the media heighten public panic. Overlapping jurisdictions and responsibilities in emergency response can compound budget concerns, interagency friction, and miscommunication.

Through some research what are Some general barriers that have been identified through research? Communication and leadership are two of them.

Since 2001, there has been an increased emphasis on multiagency planning and response, and efforts have been taken in the United States and elsewhere to develop coordinated approaches. In public safety and homeland security, informal agreements between agencies can serve as a first step toward minimizing barriers to coordination. Informal agreements can allow agency leaders to achieve their goals through cooperation rather than direct competition and can help clarify each agency's expectations. After working relationships have been established, agencies may then decide to develop more formal agreements that describe the planning, collaboration, and training elements.

350-450 words excluding references, APA format and a minimum of 3 references