About Micronesia

History of Saipan & Micronesia (2)

World War II

The recent history of the Northern Marianas and its relationship with the United States is inextricably entwined with the events surrounding World War Two. The following historical information is provided to place the period, the islands and the events leading up to the war in perspective.

JAPAN AS A PACIFIC POWER

Ninety years before the invasion of Saipan on March 31, 1854 Commodore Matthew C. Perry, United States Navy, sailed into Edo (Tokyo) Bay and subsequently negotiated the Treaty Of Kanagawa which would open Japan to commerce with the West. Prior to 1854 Japan had successfully been kept closed to the world. By 1868 the Japanese of the Meiji era were groping their way out of the Shogun period toward imperialism. Sixteen-year old Emperor Mutsuhito abolished the feudal system, restored the Meiji dynasty and began the process of westernization. 

In 1904 Japan launched a surprise attack on Admiral Zinovi Rozhoestuenski' s Russian Fleet at Ryojunko (Port Arthur), China after they were unsuccessful in persuading Czarist Russia to leave China. They destroyed Russia's Baltic Fleet in the Tsushima Strait. The subsequent treaty signed between Japan and Russia made the country a world naval power and contributed to its future belligerent adventures, first against China and later the United States and its allies. Thus, forty years after Commodore Perry "opened" Japan to the West, the island kingdom was militarily and industrially strong enough to defeat China and take over Formosa. 

Ten years later Japan defeated Russia and annexed Korea. The seeds of World War Two which were long in germinating were planted in the mid 19th century. In hindsight, the reasons for the war were largely economic. The seizure or protection of spheres of influence, the maintenance of territorial integrity, the acquisition of raw materials as well as Asian markets for the commercial opportunities they presented were all reasons which would eventually account for so much loss of life and national treasure. 

Western nations, notably Great Britain, France, Germany and the United States, had for more than one hundred years prior to the outbreak of hostilities exhibited great interest in the commercial opportunities in China and other parts of Asia. These opportunities had attracted Western investment for the exploitation of raw materials for the manufacture of products not only for domestic consumption but for export of finished goods back to the Orient. These opportunities were eyed covetously by Japan through what was to become known as the Greater Southeast Asia Co- Prosperity Sphere. 

The small islands of Micronesia, and the Marianas in particular, offered none of these opportunities. The population of the islands was too small to provide interesting markets and the people had only limited financial resources for the purchase of imported goods. They did , however, have one important advantage that was of interest to many developed nations and which had been bestowed upon them by virtue of geography. It was then - as it is still today - the location of the islands in the vast Pacific that was of interest to both the West and Japan. They sit astride the great circle sailing routes connecting the Western and Eastern Hemispheres. 

In the early days they offered convenient locations for sailing vessels in need of water and provisions of fresh fruit, vegetables and meat. Later, as in the case of Guam, they became important coaling stations for steam-powered vessels. Germany had formally taken over the islands from Spain in November, 1899 after purchasing them for the equivalent of $4.5 million. When World War One erupted in Europe in 1914 the Japanese moved into the islands and forced the Germans out without a struggle.When the Peace Treaty was signed at Versailles, France in 1919 Germany was stripped of its Pacific colonies by the Allied Powers of which Japan was a member. The islands were formally mandated to Japan by the newly formed League Of Nations. The United States had been influential in establishing the League which gave Japan a mandate over the islands as their administrator. 

When the World War One Peace Conference met at Versailles, the United States was faced with the fact that Japan had virtually annexed the islands and American efforts were powerless to effect any significant change in this fait accompli. The League confirmed Japan in 1920 in her possession of the islands as a mandate. The United States Senate refused to ratify America's membership in the League but in 1922 the United States accepted the arrangement with Japan by the Ishii - Lansing Agreement. Japan remained a member of the League Of Nations until 1935 at which time the country withdrew from the organization and kept the mandated islands "as an integral part of the Japanese Empire".

JAPANESE STRATEGY

On July 7, 1937 at almost the same time as Amelia Earhart should have completed her flight around the world, the First Japanese Division stationed in north China attacked the city of Wanping, thus launching Japan's war with China. Five months later, on December 12th, the city of Nanking fell. On the same day the U. S. gunboat Panay and three U. S. oil tankers were sunk by Japanese bombers on the Yangtze River in China. Emperor Hirohito was 124th in a succession uninterrupted since the sixth century when, in the autumn of the 2,600 th year (1940) of the founding of the Japanese Empire, Kinoaki Matsuo published a book on how Japan planned to win a war with the United States. 

The war would not formally begin for another thirteen months. The Three Power Alliance And The United States Japanese War , written by this intelligence officer when serving as liaison between the Japanese Foreign Office and the Admiralty, openly discussed the impending hostilities. He wrote, "... the United States will be obliged to exercise prudence and self- restraint toward Japan at least until 1945". " 

As soon as the great armament expansion is completed, the United States will probably avail herself of the opportunity to declare war upon Japan... then the chances of American victory will be far greater than Japan's". He stated, " Japan is naturally blessed by double defensive walls linked inside and outside by a chain of islands. The inside link consists of the Pescadores Islands, Formosa, all islands to the west and south, the Ogasawara Islands (Bonin), and the Chishima Islands, all of which have already been strongly armed for defense". "The outside link ( the Japanese Mandated Islands) extends many thousands of nautical miles embracing the Marshalls, Carolines, Marianas and Pelew (sic) islands, which are scattered like stars across the routes of the United States Navy either perpendicularly or horizontally. The total number of these islands is more than one thousand. It will be impossible for the United States fleet to reach its destination...". Mr. Matsuo continued, " 

The tragedy which will ensue as a result of the failure of the United States fleet in its attempt to cross the Pacific can be imagined by recalling the end of the Russian Baltic Fleet in the Sea of Japan". In the years prior to December 7, 1941 Japan constructed an ocean fortress behind a wall of secrecy in violation of its diplomatic agreement with the League. The mandated islands, including the Northern Marianas, were forbidden territory to U.S. ships and American naval authorities were becoming increasingly apprehensive over Japan's rearmament and the growing belligerency of its military, first overtly observed in the Panay incident.

AMERICAN STRATEGY

When Japan invaded China to protect its interests the United States waited until the summer of 1941 to retaliate with a trade embargo to cut the country's oil supply. This was done after negotiations had failed to halt Japan's aggression in China. It was the final act which led the Japanese to decide to prepare for war against the United States and was Kaisen Zen-ya - "the eve of war". Their objective was to sink the United States Pacific Fleet so it would not interfere with Japan's conquest of the East Indies and the Philippines for the area's supplies of oil and other strategic resources. At that time the Philippine Islands was U. S. territory. 

On December 7, 1941 the Japanese launched an air strike at Shinjuwa (Pearl Harbor, Hawaii) which consisted of 6 aircraft carriers, 183 planes, 2 battleships,2 heavy cruisers, 1 light cruiser,9 destroyers,3 submarines and 8 oilers. The day's rising sun brought with it the dawn of war. In response to the Shunobu's coded fleet signal of "Niitaka-Yama-Mobere" ("Climb Mount Nitaka"), Japan's "Wild Eagles" dove out of a morning sky to reek death and destruction on a sleeping American fleet of 145 ships... all at anchor. The U. S. territory of Guam was attacked, partly by forces stationed on Saipan, and conquered by the Japanese on December 10th. 

The Northern Marianas would not play a major role in the war for another two and one-half years. United States war planning groups had developed a course of action known as the "Appreciation And Plan For The Defeat Of Japan". This plan recognized that the most effective way to defeat the Empire was to destroy its capacity to resist without invading the home islands, thus avoiding the high cost in men and materiel of an invasion. This could be accomplished by aerial bombardment directed at Japan's industrial base. In terms of a geographic location from which to launch such strikes the Mariana Islands fulfilled all the requirements. However, the islands could not be secure if other islands in the central Pacific east of the Marianas remained capable of launching attacks on the sea lanes stretching across the Pacific from supply depots in Hawaii. 

Plans to launch an offensive against the Japanese were initiated in 1943 at the Quadrant Conference held in Quebec. President Roosevelt received the proposal that the Allied effort in the Pacific should be directed first toward the Gilbert Islands, then the Marshalls followed by Wake, the Eastern Carolines and then the Marianas. It was at Saipan that American military planners were presented with the problem of how to cope with a dense civilian population, the first to be encountered in the Pacific war. The U. S. forces were to be under the overall command of Admiral Chester Nimitz. 

The American drive across the Pacific would be two-pronged. While Nimitz fought his way across the central Pacific, General MacArthur would advance across the southwest Pacific to the Philippines. The islands of the central Pacific either succumbed one by one under the shear weight of American forces or were bombed, neutralized and bypassed. With their supply lines cut, the defenders of by-passed islands were left to starve. After the fall of the Marshall islands, no other island in the central Pacific would be invaded by American ground forces until the American armada reached the waters off the Marianas and the island of Saipan.

Continue with: History 3 (US invasion)