Under what authority or legal basis does csmr operate and what is the csmr mission?

CSMR {California State Military Reserve} refers to the state defense force of California and is one of the three active military forces in the state. The force operates under the authority of the state government, which directs the force within the parameters of applicable federal and state laws.
The mission of CSMR is to provide highly trained and organized state millitary reserve force, which is under the control of California state government. The force has the responsibility of supporting the California National Guard in case of state security emergenc or natural disastter.  

4.a depression is the answer