Which of the following are main similarities between Canada and the United States? Which of the following are main similarities between Canada and the United States? both democratic, highly developed economically, large populations, hyper mobil move every 5-7 years both democratic, highly developed economically, major food exporters, hyper mobil move every 5-7 years both democratic, highly developed economically, 50 states, hyper mobil move every 5-7 years both democratic, highly developed economically, coastal populations, hyper mobil move every 5-7 years