Said zoning plan is adopted to promote and protect the public health, accomplishment thereof is adopted, among other purposes for the following more particularly specified purposes, to-wit:

A.

To assist in providing a definite plan of development for the county, and to guide, control and regulate the future growth of the county, in accordance with said plan.

B.

To protect the character and the social and economic stability of agricultural, residential, commercial, industrial, and other areas, within the county and to assure the orderly and beneficial development of such areas.

C.

To obviate the menace to the public safety resulting from the location of buildings, and the uses thereof, and of land adjacent to highways which are a part of the streets and highways plan of the master plan of the county, or which are important thoroughfares, in such manner as to cause interference with existing or prospective traffic movement on said highways.