The best definition of pastoralism

Pastoralism/ Pastoral farming (also known in some regions as livestock farming or grazing) is farming ( or a form of animal husbandry) aimed at producing livestock, rather than growing crops.

Explanation: Examples include dairy farming, raising beef cattle, and raising sheep for wool. Hope this helps ^-^.

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

your answer would be a) no nation can be economically self-sufficient.

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