Why would a historian wish to consult multiple sources of information on a topic

Why was hawaii so important to the united states & why did japan bomb pearl harbor?

Brainliestttme : ) what demographic changes occurred after world war ii?

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