*. In this engine the burning of fuel takes place in a crued cylinder

How did the northern u.s. change during the 19th century? select the best choice from the answers provided. a. it became more industrial. b. it became more agrarian. c. it became less populated. d. it became less diverse

Which form of government have the african nations had since independence?

World war 2 was caused, in part, by which of these factors?