Immigration is a vital part of American history. Today, policies that center on immigration and the ways it has evolved are often the source of political debate and take center stage in current events. This book helps students understand these policies in addition to the major reasons people decide to live in new countries. It examines the ways immigrants have shaped culture and how many immigrants have played important roles in successful societies. Readers will evaluate how U.S. immigration compares around the world. Fascinating facts, vibrant photographs, and a colorful, engaging layout will keep young readers engaged as they learn about this important topic.