Please ask people with lofty ideals to help answer the urgent reasons why Europeans immigrated to the United States in different historical stages and outline the impact of immigration tide on the Uni

Please ask people with lofty ideals to help answer the urgent reasons why Europeans immigrated to the United States in different historical stages and outline the impact of immigration tide on the United States. During the first new air route opening period, Europeans came to America to seek wealth, during the first industrial revolution period, they sought a broader market for raw materials and products, and thirdly. Modern. Is to find a better living and working environment. Impact: It promoted the development of the United States and strengthened the connection between the United States and Europe, but it also brought disaster to the Native Americans to some extent. Second, during the industrial revolution, Europeans moved to the United States, bringing advanced productive forces to the United States, and production tools and experience promoted the development of American capitalism.