Why were North America's major cities built along rivers? A Rivers were important for transportation and water.
B Rivers did not help them.
C Rivers lay in the tropical climate.
DRivers were only near mountains and deserts.

Explain how the poverty level is determined. on edinuity* the possible answer may the poverty level is defined by the u. s. bureau of the census and it is determined by calculating the cost of providing an adequate diet. this number is then multiplied by three because research has indicated that poor people spend a third of their income on food.