What are three characteristics of a demand curve?

Look at the map of cities in the united states at the turn of the twentish century what impact did railroads have on cities across the united states at the turn of the twentish century

43. based on what you know about constitutional provisions regarding individual voting rights, which of the following is true? a the constitution places no restriction on the states' power to set voting qualifications. b. the constitution places eight federal restrictions on the states' power to set voting qualifications. c. the federal government cannot restrict the states' power to set voting qualifications except for matters of age and race. d. the constitution places five federal restrictions on the states' power to set voting qualifications.

An economic term that describes happiness and its hard to measure in numbers is