In February 1942 (two months after the attack on Pearl Harbor, Hawaii) President Franklin Roosevelt, as commander-in-chief, issued Executive Order 9066 to relocate all persons of Japanese ancestry, both citizens and aliens, inland and away from the Pacific military zone. The Order was to prevent espionage and to protect persons of Japanese descent from harm from individuals with strong anti-Japanese attitudes. Roosevelt's Order affected 117,000 people of Japanese descent, two-thirds of them native-born U.S. citizens. Between 1943 and 1944, the government assembled a combat unit of Japanese Americans for the European theater. The unit gained fame as the most highly decorated of the War. As World War II drew to a close, the relocation camps were slowly evacuated. The internment of persons of Japanese ancestry during this period sparked constitutional and political debates. This lesson features primary source documents focusing on Japanese relocation during World War II. The lesson relates to the First (right to petition the government for a redress of grievances), Fourth (right to be secure against unreasonable search and seizure), and Fifth (Americans will not be deprived of life, liberty, or property without due process of law) Amendments to the Constitution. The lesson correlates to the National History Standards and the National Standards for Civics and Government. The 20 primary source documents in the lesson consist of 17 photographs, the executive order, a final evacuation report, and a transcript. The lesson provides historical background (with seven resources); and suggests diverse teaching activities for implementation, including presentations, class discussion, and student research projects. Appended are a written document analysis worksheet, a photograph analysis worksheet, and the documents. (BT)