Which of these would best describe the effect that inventions like the telegraph, steamboat, and railroads had on life in early america?

Imagine you are driving down the highway and reading a sign that states save the planet don't litter which technique of policy enactment is being used

Which graph shows the temporary relationship between the aggregate price level and the aggregate quantity supplied? a. long-run aggregate supply curve b. aggregate demand curve c. short-run aggregate supply curve d. point of equilibrium

What caused the settlement of more african americans in the mississippi alluvial plain region then in the ozark mountains region?