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| 1 |  | 
What are some of the ways in which agriculturalists make intensive use of the land?
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| 2 |  | 
What is pastoralism? Are there different kinds of pastoral societies?
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| 3 |  | 
What is the market principle?
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| 4 |  | 
What are the different kinds of reciprocity?
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| 5 |  | 
What are modes of production?
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