Why did the world's first civilizations develop in river valleys? question 15 options: river valleys were fertile places where agriculture could thrive. nomadic tribes could use rivers to trade with others. river valleys were good places for hunting and fishing. papyrus plants used to make paper grew near rivers.

Large igneous rock have been found on surface sedimentary bedrock in north carolina .which statement best xplains the presence of these boulders

Which of the following european countries settled the first colonies in america

Which of the following statements about the economic consequences of the civil war is not accurate. a. inflation caused prices to rise by 80% in the north. b. because southern farms cannot process enough food for everyone in the south the union navy allowed food shipments from britain. c. to pay for all of the food supplies and arrangements that were necessary for the union army congress instituted an income tax. d. business boomed in the north as factories and farms always had a market for their products.