His full name is Leonardo di ser Piero da Vinci.
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There was tension in the politics of the nation which were largely due to differences in the economies of the North and the South. For the South, slavery was used as a labor source hence they supported slavery. The North on the other hand was opposed to slavery as it was largely urbanized. Different regions led to the creations of different economies.
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A specific failure of the Reconstruction was that governments of Southern states passed JIm Crow laws.
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because of its opposition to slavery in the territories; the whigs and Know-nothings split over slavery.
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