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,
Buka Island ago. Buka Island was occupied by Japanese troops during World War II, and it was the site of important Japanese airfields that had to be neutralized. Although the island was bombed by allied air forces and warships, allied armies never fought in Buka. After holding out for years on poor supplies, the Japanese surrendered in 1945 when allied troops were approaching the Selau peninsula on nearby Bougainville. The economy of Buka can be divided into a very small urban component and the village sector. The village sector is characterised by subsistence farming, primarily of sweet potato as a staple food,