The ______ was between 1890 and 1920, a period when the United States realized its industrialization and urbanization.
【正确答案】：second population movement
【题目解析】：The second population movement was between 1890 and 1920, a period when the United States realized its industrialization and urbanization.参加教材P188。
掌握“Population Movement(USA)”知识点。
