Learn why immigrants came to the United States and the establishment of Ellis Island Immigration Station.A True Book: American History series allows readers to experience the earliest moments in American history and to discover how these moments helped shape the country that it is today. This series includes an age appropriate (grades 3-5) introduction to curriculum-relevant subjects and a robust resource section that encourages independent study.This book discusses why immigrants came to the United States in the late 19th and early 20th centuries, the difficulties of the journey, the establishment of the Ellis Island Immigration Station and what went on there, and its decline and restoration.