Answer: (A) Unity
Explanation:
According to the given question, the unity is one of the quality that helps in accomplish the given task more effectively on the basis of Henry Fayol as unity is plays an important role in the workplace by providing the morale boost.
The unity is the quality where the employees can work together and achieve their goals by maintaining the unity and the work are complete more quickly and efficiently.
Therefore, Option (A) is correct answer.