I think the two party system came about in the United States because Alexander Hamilton was in favor of a strong central government, but James Madison and Thomas Jefferson opposed Hamilton's idea. So there were federalists and anti-federalists. America has not had the two-party system since the beginning. In 1787, when the Articles of Confederation became useless to the nation, the founders of the Constitution met in Philadelphia and designed a new form of political system. The founding father of the United States did not expect the existence of parties in American politics. They also had no intention of creating a two-party system. They were afraid that the party system would divide the nation. At this point Hamilton and his supporters called themselves Federalists, who believed in a strong centralized government. The others were Anti-Federalists, who believed that the federal government could overwhelm the state and reduce the rights of the individual (McBride). According to the text, the main reasons for the two-party system are: plurality voting system with single-member district (explain this), formats...