How Can Different Jurisdictions Provide Resources or Support to Each

How can different jurisdictions provide resources or support to each other during incidents?

A) Track borrowed resources during incident responses and exchange the information afterward.
B) Establish a multi-agency coordination system beforehand capable of e-mail and cell phone communication.
C) Prepare emergency management and assistance compacts and mutual aid agreements beforehand.
D) Assign resource managers during incident response and enable them to work in other jurisdictions.