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

a. the destruction of the ancient inca city, machu picchu
b. the siege of the inca capital near the cuzco valley
c. the execution of the last inca ruler, atahualpa
d. the unexpected deaths of 3 million inca warriors
e. the murder of former inca emperor, huascar

I got it right on Plato and put C. the execution of the last Inca ruler, Atahualpa.

zheng he was a chinese explorer who lead seven great voyages on behalf of the chinese emperor. his seven total voyages were diplomatic, military, and trading ventures, and lasted from 1405 – 1433. however, most historians agree their main purpose was to promote the glory of ming dynasty china.

explanation:

definitely a for sure. ill see and update if i get the answer