The correct option is C By providing public health and sanitation facilities
The improvement of the overall well-being of every individual in a society so that they can reach their full potential is known as social development. It can be done by providing facilities for education and skill development, especially to girls and women in villages, and a better system of healthcare including facilities for both public health and sanitation. Further, agricultural research would help in economic development and a sound political system will help in economic development.