Final answer:
Coordinating the development, training, and exercise of state recovery plans to increase the level of preparedness is a responsibility of the government agency in charge of ensuring the resilience of critical national infrastructure and implementing civil defense and emergency preparedness measures.
Step-by-step explanation:
Coordinating the development, training, and exercise of state recovery plans to increase the level of preparedness is a responsibility of the government agency in charge of ensuring the resilience of critical national infrastructure and implementing civil defense and emergency preparedness measures. This agency oversees agencies charged with protecting the territory of the United States from natural and human threats. It has evolved to coordinate state policies in a wide variety of areas, including anti-terrorism legislation.