The secretion by the digestive glands in acknowledgment of stimuli correlated with the ingestion of food is called Psychic Secretion. such as the appearance and smell of food, the circumstances under which it is consumed is called Psychic Secretion.
Salivating to food in the mouth is reflexive, this involves no learning. However, dogs don't generally salivate at the perception of an empty bowl or the noise of footsteps. These unusual acknowledgments fascinated Pavlov, and hence he called the dogs as “psychic secretions”.
The operation that requires independent actions involving a high degree of professionalism, self-discipline, flexibility, patience, and tact is the peacekeeping operations.
Thus,
the answer that we are looking for is stated clearly and correctly, it is the peacekeeping operations.