The execution of the last Inca ruler, Atahualpa was the act of the conquistador Pizarro, crucial in overthrowing the Inca. Option C is correct.
Francisco Pizarro González was a Spanish conquistador who led the Spanish conquest of the Inca Empire. He kidnapped and killed Incan emperor Atahualpa, and claimed the lands for Spain. On 10 November 1509, Pizarro sailed from Spain to the New World along with Alonso de Ojeda on an expedition to Gulf of Urabá in Tierra Firme.
