Answer:
contingency
Step-by-step explanation:
The emergency protocol implemented for over 24 hours ago, which subsequently led to the evacuation of all potentially affected residents when the dam is on the verge of failing, and the downstream residents are in danger is an example of a contingency plan
Contingency plan is a plan designed to accommodate a possible future occurrence. It is classified as a proactive strategy because its being designed for a possible outcome other that the initial plans.