The answer is D. Remote rivalries drove the cost of cotton down. Because of Abraham Lincoln's Union Blockade, the South was not ready to showcase their a huge number of parcels of cotton. He had the careful step that Europe would intercede with the fare of cotton, however they didn't. Accordingly, cotton generation expanded in different parts of the world (e.g. India and Egypt) influencing America to lose its imposing business model in the cotton business.
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The method that was used and developed only after Darwin's time and is today a widely used method is the method of DNA comparison. At the time of Darwin, people didn't know about DNA or how it was structured, this was changed in the 20th century with the discovery of the double helix.
<span>The White Army supported the Czar and the Red Army supported theCommunists.</span><span>
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