R&H and (eDTA) join forces.
Columbus's arrival in the America's affected the Native Americans in a very negative manner, bringing war and disease. It affected the Africans because it resulted in slavery in U.S, and it affected the Europeans by giving them new land to settle on.
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The answer is B. The Dust Bowl, otherwise called the Dirty Thirties, was a time of serious tidy tempests that enormously harmed the nature and horticulture of the American and Canadian prairies amid the 1930s; extreme dry spell and an inability to apply dryland cultivating strategies to avoid wind disintegration.
Its false, the preamble doesn't describe the constitution as an agreement among the thirteen states. Preamble is a brief introductory statement that sets out guiding purpose of a document such as a constitution, and indicates the source from which the document derives its authority, meaning and the people. In addition it also describes clearly the hopes and aspiration of the people and also the ideals of a nation.