Answer:
providing a service
Step-by-step explanation:
Providing a service can be clearly described or even defined as the act of supporting, assisting or helping out an individual or a group of people in order to ease up stress, make the process easier or have a better understanding of a situation.
The Police provided assistance and directions to the people while the the entire subway system shut down due to massive power outage is an example of providing a service to the people, this will enable relieve of the magnitude of the situation at hand.