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 in 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

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