Why did the narrator and yuchin stop writing letters? yuchin came to the united states. the narrator returned to china. they began to use e-mail. it took ten days for letters to get to sichuan?

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