Which action by ancient Mesopotamians most contributed to the desertification of their lands?

a.temple construction
b.trade route construction
c.the overuse of land for agriculture
d.the planting of trees after clearing land

Overgrazing and woodcutting are responsible for most of the desertification of rangelands, cultivation practices inducing accelerated water and wind erosion are most responsible in the rain-fed croplands, and improper water management leading to salinization is the cause of the deterioration of irrigated lands.

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