When Singapore fell to the Japanese in February 1942, Sri Lanka became a central base for British operations in Southeast Asia, and the port at Trincomalee recaptured its historically strategic importance. Because Sri Lanka was an indispensable strategic bastion for the British Royal Navy, it was an irresistible military target for the Japanese. For a time, it seemed that Japan planned a sweeping westward offensive across the Indian Ocean to take Sri Lanka, sever the Allies' lifeline to Persian Gulf oil, and link up with the Axis powers in Egypt. Admiral Isoroku Yamamoto, mastermind of the raid on Pearl Harbor, ordered Vice Admiral Chuichi Nagumo to command a large armada to seek and destroy the British Eastern Fleet in the Indian Ocean. The two nations' fleets played a game of hide-and-seek, but never met. Some military historians assert that if they had met, the smaller British fleet would have met with disaster. The British instead fought several desperate air battles over Colombo and Trincomalee and lost about thirty-six aircraft and several ships.

Yamamoto's grand strategy failed to isolate and destroy any major units of the British fleet. But if the Japanese had persisted with their offensive, the island, with its limited British naval defenses, probably would have fallen. The Japanese carrier force, however, suffered such high aircraft losses over Sri Lanka--more than 100 warplanes--that it returned to Japan for refitting rather than press the attack. By returning to Japan, the force lost its opportunity for unchallenged supremacy of the Indian Ocean. The focus of the war in this theater then shifted away from the island.

On the whole, Sri Lanka benefited from its role in World War II. The plantation sector was busy meeting the urgent demands of the Allies for essential products, especially rubber, enabling the country to save a surplus in hard currency. Because Sri Lanka was the seat of the Southeast Asia Command, a broad infrastructure of health services and modern amenities was built to accommodate the large number of troops posted into all parts of the country. The inherited infrastructure improved the standard of living in postwar, independent Sri Lanka.

Unlike India, where nationalists demanded a guarantee of independence as recompense for their support in the war effort, Sri Lanka committed itself wholeheartedly to the Allied war effort. Although the island was put under military jurisdiction during the war, the British and the Sri Lankans maintained cooperative relations. Sri Lankan pressure for political reform continued during the war, however, and increased as the Japanese threat receded and the war neared its end. The British eventually promised full participatory government after the war.

In July 1944, Lord Soulbury was appointed head of a commission charged with the task of examining a new constitutional draft that the Sri Lankan ministers had proposed. The commission made recommendations that led to a new constitution. As the end of the war approached, the constitution was amended to incorporate a provision giving Sri Lanka dominion status.

British constitutional principles served as a model for the Soulbury Constitution of independent Sri Lanka, which combined a parliamentary system with a bicameral legislature. Members of the first House of Representatives were directly elected by popular vote. Members of the Senate, or upper house, were elected partly by members of the House and partly by the governor general, who was primarily a figurehead. The British monarch appointed the governor general on the advice of the most powerful person in the Sri Lankan government--the prime minister.

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Source: U.S. Library of Congress