Whats the answer will mark bl

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

According to some historians which marks at the beginning of the us civil war

Agovernment is a government system where all citizens that choose to vote have a say in their government. question 4 options: communist democratic autocratic theocracy