Question: 1- Which of these pairs of cities are the endpoints of the original American mega-region?
2- More than half of the urban population of Canada is located in the 'St. Lawrence Valley' mega-region. Based on the map above, which Canadian cities are located in that mega-region?
3- Based on the population map below and your knowledge of the largest mega-regions in the US and Canda, which two of the following statements are probably true?