Which of the following statements best describes the concept of an era? a. an era is a span of 1,000 years or greater. b. an era refers to the specific date in time. c. an era is a time period that began or ended with a specific date or event. d. an era represents the interval between two epochs.

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.

Compare the lives of slaves in mines and farms versus those in households

Which of the following best describes the geography of oklahoma? a. extreme elevation differences b. varied ecological regions c. limited, mountainous geography d. flat rolling hills to below sea level areas