Which word best describes the role of a historian

This passage says that the government is necessary because . the passage states that checks and balances are needed to

Which of these constitutional amendments made all people born or naturalized in the united states into citizens of the united states ?

How were the okanogan highlands formed? a. by subduction, which caused huge folds in earths surface b. as a result of retreating glaciers carving great valleys into the earth c. when molten rock from under the earth approached the surface d. when the collision of volcanic island chains and ocean rocks formed new earth