Answer:
Intrinsic motivation
Explanation:
Intrinsic motivation is related to a person's internal satisfaction. The person gets motivated internally to complete a task that provides him inner satisfaction. The external motivation is related to outer factors. The person gets motivated when getting any reward from outside. Internal motivation is a motivation when we act without any expectation to get something in return.
Thus here in the above context Citizens were motivated internally towards their safety issues related to the environment. Through their internal motivation, they support the group and in return, they do not expect any external reward.