It was because of the slavery that the traditional two party system fail in 1850's. Democrats were broken and in half over slavery and divided into North and South parties. Similar thing happened to the Wigs as many of their members went for the third party movements. One these movements would become the Republican party.
One major reason the Renaissance began in Italy is linked to geography. The city-states of Italy, positioned on the Mediterranean Sea, were centers for trade and commerce, the first port of call for both goods and new ideas.
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They were laws created by Federalists to silence opposition and discourage immigration.
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