This Pacific Ocean island is part of the Ryukyus and over 25% of it consists of American military bases. This island was annexed by Japan in 1879 and was occupied by the American military between 1945 and 1972. Most of the population lives on the southern third of the island, which includes the largest city, Naha. This island was final land battle of the Pacific War, ending in July 1945. For 10 points, name this Japanese-held island, located between the island of Kyushu and Taiwan.
a) Iwo Jima
b) Saipan
c) Okinawa
d) Guam