Which state government key player is responsible for ensuring that the state is prepared to deal with large scale emergencies and for coordinating the statewide response to any such incident

Explanation:

This is an Agency of the U.S. Department of Homeland Security. Their purpose is to create and coordinate responses to disasters. When a disaster is happening, the governor declare a State of Emergency and immediately FEMA is authorised to take action. This dynamic is different only if the event is an Federal Private Property.

i believe the answer is a

a big one is

to appoint and regulate officers of the land and naval forces,

which caused much controversy ending the articles