A fifth grade unit presents the history of immigration to the United States from a legal perspective. The eight sections are suitable for a comprehensive unit but may also be used selectively. Section A contains teacher materials: a chronological chart tying immigration laws to historical and cultural events, an overview of immigration legislation, a series of circle graphs depicting U.S. immigration by region of origin, questions and answers about the citizenship process, a paragraph about photographer Lewis Hine, a vocabulary lesson, and a vocabulary list. Section B contains a lesson plan for examining the diverse national and cultural backgrounds of Americans. Section C is a lesson plan for exploring family roots through a personal history test, a family tree, and a family map. Section D contains seven lesson plans for studying immigration in the past. Cause and effect in immigration patterns, the immigration experience, and the impact of immigration are among the topics. Immigration today is the topic of Section E. Six lessons explore the citizenship and naturalization process, illegal aliens, and deportation. Five additional activities are provided in section F. Student tests and an answer key are contained in section G. The final section, section H, comprises a bibliography, including audio-visual materials; adult nonfiction; and student fictions and nonfiction. (LP)