Using irrigation system was the practice closely associated with most ancient river valley civilization.
The correct answer is D or four
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cold war era conflicts
The Berlin conflict reached its peak when the soviet union, with the bid to stop migration of eastern Germans population to the west Germany controlled by the capitalists enacted the iron curtain. The soviet union also invaded Hungary to enforce its communist market ideas.
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<span>Ethnicity is mostly based upon the geographic location of one's ancestors, but it should be noted that this is a complex topic and there are other factors as well. </span>
