I am pretty sure your answer is correct :)
Answer:
Shifting cultivation is an agricultural system in which a person uses a piece of land, only to abandon or alter the initial use a short time later. This system often involves clearing of a piece of land followed by several years of wood harvesting or farming until the soil loses fertility.
Answer:
As the Sumerian villages grew into large cities, they formed city-states. ... All of these things were important for the development of human civilization.planation:
The Constitution<span> provides that an </span>amendment<span> may be </span>proposed<span> either by the Congress </span>with<span> a two-thirds majority vote in both the House of Representatives and the Senate or by a </span>constitutional<span> convention called for by two-thirds of the State legislatures.</span>