Which act of the conquistador pizarro was crucial in overthrowing the inca?

The act of infiltrating the Incans to make them think they were gods, survey their surroundings, gain the trust of the Incan enemies (effectively allying themselves), and using better armor, weapon technology, diseases, allies, and such to defeat the Incans

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South carolina was so angry about the election of lincoln that they seceded from the union on december 20, 1860. they attacked fort sumter later, on april 12, 1861.