The Technological development that led to the rise of civilizations in the Ameri

Question: The Technological development that led to the rise of civilizations in the Americas was what !?

Please help me i have a us history test need to study!.Www@QuestionHome@Com

Best Answer - Chosen by Asker:

Only one possible answer: the vapor machine, because it help develop the train, the factories, and the boats!.Www@QuestionHome@Com