How has Michigan evolved?
访客4个月前
Michigan's development can be divided into four stages: early historical background, Including geography, Aborigines, colonization, and American purchases; industrialization and immigration in the 19th century, Industrial revolution, railway construction, urbanization; transformation and challenge of the 20th century, World War II economic prosperity, the rise and fall of the automobile industry, environmental problems; the challenges and opportunities of the 21st century, globalization, educati...