It's a small a neutral country, situated between two larger hostile countries, serving to prevent the outbreak of regional conflict.
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According to Wikipedia: "The Twelfth Amendment (Amendment XII) to the United States Constitution provides the procedure for electing the President and Vice President. It replaced the procedure provided in Article II, Section 1, Clause 3, by which the Electoral College originally functioned. Problems with the original procedure arose in the elections of 1796 and 1800. The Twelfth Amendment refined the process whereby a President and a Vice President are elected by the Electoral College. The amendment was proposed by the Congress on December 9, 1803, and was ratified by the requisite three-fourths of state legislatures on June 15, 1804."
Pittsburgh is where Fort Duquesne once stood.
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Vasco da Gama was best known for being the first to sail from Europe to India by rounding Africa's Cape of Good Hope. Over the course of two voyages, beginning in 1497 and 1502, da Gama landed and traded in locales along the coast of southern Africa before reaching India on May 20, 1498.
He made battle and challenges towards Columbus, who discovered America.
