Third and fourth terms of the presidency of Franklin D. Roosevelt well-defended island of Iwo Jima, taking control of that island the following month. On April 1, the U.S. landed on Okinawa Island, the largest of the Ryukyu Islands. The Japanese allowed the Americans to land on the island before launching a fierce attack that included "kamikaze" suicide attacks by Japanese aircraft. Japanese forces on Okinawa held out until June 1945; U.S. forces suffered over 60,000 casualties during the operation. In late 1943, Roosevelt, Churchill, and Stalin agreed to meet to discuss strategy and post-war plans at the Tehran Conference, which marked Roosevelt's first face-to-face meeting with Stalin. At the conference,
History of Japanese Americans of fruits, vegetables, and flowers on previously marginal lands. While the "Issei" (1st generation Japanese Americans) prospered in the early 20th century, most lost their farms during the internment. Although this was the case, Japanese Americans remain involved in these industries today, particularly in southern California and to some extent, Arizona by the areas' year-round agricultural economy, and descendants of Japanese pickers who adapted farming in Oregon and Washington state. Japanese American detainees irrigated and cultivated lands near World War II internment camps, which were located in desolate spots such as Poston, in the Arizona desert, and Tule Lake, California,