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It is estimated that by the early 16th century as much as 10% of Lisbon's population was of African descent. After the European discovery of the American continent, the demand for African labour gradually grew, as other sources of labour - both European and American - were found to be insufficient.
The Federalist Papers were a series of documents, reportedly 85 different ones, that substantiated the ratification of the Constitution. Essentially made to defend it's ratification against the anti-federalists.
Answer:
To reform something is to change it for the better. These movements were caused in part by the Second Great Awakening, a renewal of religious faith in the early 1800s. Groups tried to reform many parts of American society, but the two most important were the abolitionist movement and the women's rights movement.
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