2. The balance between the size of the population and natural resources (i.e., land, water, forest, minerals, etc.) of a country is significant. Any change in this balance brings social change. Industrialised nations require to maintain this balance. Otherwise, they will not be in a position to keep the continuity of growth and development due to shortage of resources.
(a) Progress, (b) Technology, (c) Evolution, (d) Revolution.
(i) Diffusion, (ii) Social change, (iii) Cultural change, (iv) Envinronment.
