Christopher Columbus went west in his search for a new way to get to Asia.
A cause would be the arrival of the Portuguese on the coast of Benin
John F. Kennedy ran against c. Richard M. Nixon in the 1960 presidential election
Congress passed the Tariff of 1816 (which was the first tariff in the United States) to protect national manufactured products against imported goods, mainly against English products.
England was exporting goods they had stocked during the War of 1812 to the United States, and the national product was more expensive than the English products because of the production process; so the Tariff of 1816 on imported products was designed to protect the American goods making them more competitive, it also helped to pay the debts of the War of 1812 against England.