After William Tolbert tried to raise the price of this good, riots broke out in Liberia in 1979. James I ("the first") of Aragon restricted the production of this good around L'Albufera following a malaria epidemic. The pirate John Thurber helped introduce this good in the Thirteen Colonies along with Dr. Henry Woodward following his return from Madagascar. A system called kokudaka that was used to assess land values by the Tokugawa Shogunate was based on production (-5[1])capacity for this (10[2])good. (10[2])The Celestial Masters established a Daoist movement named for the requirement (10[1])that potential members make a donation consisting of this crop. Colonial (10[1])authorities' failures to provide this crop due to wartime shortages (10[1])caused famines in Bengal and Vietnam during World War II. (10[2])For 10 points, name this staple crop for much of Asia. ■END■