The importance of imperialism in causing ww1

Between the world wars eisenhower's presidency the 1960s what is the organizing principle of this list?

Idon't really understand the question. it counts for 20% of my lesson grade and i really need putting the answer into words. anything will . i need asap so im awarding 30 points. a disagreement between states of the united states concerning the rights of states vs. the authority of the national government led to the civil war. state governments were forced by war into a subservient position. what might happen if national governments ceded their authority to a world government by international treaty?

The occupies the territory between the coastal plain in the appalachian mountains. a. piedmont. b. tidewater. c. delaware valley. d. outer banks.