Answer:
The need for the formal management theories were important as seen by the Industrial revolution, in the construction of the Egyptian pyramids and many more.
Step-by-step explanation:
Management theories are concepts that surrounds the management theories that includes tools such as guidelines and framework which are implemented in the modern day organizations.
We can see the early examples of the management practices that are used in the construction of arsenal of the Venice and also when Egyptian pyramids were constructed. One more example is the industrial revolutions where it was more economical to manufacture the produce or manufacture at the factories than at home. Here managers needed formal management theories to control and guide them.
Today the managers used the concepts of the scientific management at times where they analyze the normal work tasks that needs to be performed, to use the time as well as motion study to eliminate the wasted motions and to hire the best qualified worker for the job.
The theories are best selected to structure their organizations for the resources to be used efficiently and effectively.