How were methods used by cortés and pizarro to conquer native americans different?

Hernán Cortes used the method of alliances with other native tribes who had been conquered by the Aztecs or were at war. He gathered information about the Aztec and strengthened his army with Spanish troops along with cannons. Upon arriving at Aztec he was greeted with respect and considered to be God. Cortes captured Montezuma and later conquered Aztec empire.

Francisco Pizarro, a conquistador who conquered Peru. He arrived in New World after Atahualpa takes the throne. Pizarro killed Inca King and conquered the Inca Empire.      

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explanation:

the answer is a) the proclamation of 1763.