Answer:
Many died of diseases brought by the Europeans. This was the main impact of these voyages in the very short term. Later, Columbus's voyages led to the domination of the area from Mexico south to Peru by the Spanish. This resulted in the destruction of the major native civilizations like the Incas and the Aztecs.
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I'd say that the answer is D. Expose the disparity between America's rich and the working poor.
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