Assertion: Social relations among the rural people are intimate in comparison to urban folk.
Reasoning: Rural people are less mobile.

Both Assertion (A) and reasoning (R) are correct and R is the correct explanation of A.

Rural and urban settlements differ in terms of social relationship, attitude and outlook. Rural people are less mobile and therefore, social relations among them are intimate. In urban areas, on the other hand, way of life is complex and fast, and social relations are formal.