The following question consists of six sentences of a passage. The first and the sixth sentences are given in the beginning as S1 and S6. The middle four sentences in each have been jumbled up and labelled P, Q, R and S. You are required to find the proper sequence of the four sentences and mark your response accordingly.

S1: History shows that the growth of civilization depends upon the gifts of nature, particularly the wealth yielded by the soil.

S6: In fact, most of the wars at the beginning of humanity’s history were fought for the gain of territory.

P: The more land they had, the more they were satisfied.

Q: The nature and the quality of the land they possessed were of great importance to them.

R: All ancient communities worked hard to produce food.

S: There was also a great desire among them to possess as much land as possible. The proper sequence should be