What is the historical context and significance of Oregon becoming the first state to pass initiative referendum laws ?

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

Was the civil war inevitable? could anything have been done through compromise to stop it, or did it have to happen?

Which areas where seperated by the iron curtain