和會打自己臉的人爭論真的很沒意義， 還沒看過引用拿皇的言論之後又否定拿皇想法的反駁方法， 以下補充一點資料。 http://www.desertwar.net/japanese-invasion-of-french-indochina.html Hostilities ceased on the same day while the Imperial General Headquarters ordered cease fire. Decoux was forced to accept the situation. Japanese troops took possession of the Gia Lam Airport, and the path near the border of Guangxi iron. Japanese soldiers stationed especially in Hanoi and Haiphong. The important thing for them now was to fight against the forces of Chiang Kai-shek in China. http://en.citizendium.org/wiki/World_War_Two_in_the_Pacific Following the German defeat of France in 1940, Japan saw opportunity to further squeeze China. It prevailed on the Vichy French government to allow Japan to occupy and use airbases in Northern French Indochina from which it could bomb China and interdict the flow of western aid to China through French Indochina. The U.S., in response, authorized a loan to China and passed the Export Control Act which authorized the president to restrict the export of strategic materials to nations he deemed threatened national security. Roosevelt used the act to embargo aviation fuel, scrap steel, and other materials to Japan. ...... Once the Japanese had settled on the Strike-South strategy, they soon realized that they needed at least partial control of French Indochina, both to cut off supplies moving north into China, and to provide air bases in range of targets further south and west. This led to complex relationships with Indochina, reflecting both the creation of Vichy France, and the stronger German control of France through the Tripartite Pact. http://lanceolsen.hubpages.com/hub/WWII-understand-it-within-the-hour In 1938 it became clear that Japan’s invasion of China had become stalemated. Japan could win battles in China and occupy territory but could not pacify the territory it occupied. ...... These events show just how tenuous Japan's control of the territory it occupied in China was. ....... Japan’s "Amau Doctrine" – declared in April 1934 – threatened the vested interests that the European powers (especially the British) and the US had in China. ...... Consequently, in 1939 the US, the British, China, and the Netherlands agreed among themselves to refuse to sell to Japan anything that it could use to wage war upon China – Japan called this the ABCD (American British Chinese Dutch) encirclement. http://www.bbc.co.uk/history/worldwars/wwtwo/japan_quest_empire_01.shtml However, it was Japan's insistence on retaining its Chinese territory - seen as crucial to its existence by moderates as well as by hardliners - and US insistence that Japan relinquish this territory, that created the real tensions between the two. https://www.e-education.psu.edu/egee120/book/export/html/237 Japan strengthened its commitment to go into Southeast Asia and sought to import far larger amounts of gasoline from the U.S. in July 1940 which set off an alarm in Washington. FDR authorized building a 2-ocean Navy - one in the Atlantic to confront German aggression and the other in the Pacific to deal with the Japanese. On September 26, 1940, the US banned export of iron and steel but not oil to Japan in response to Japan’s moves in Indochina (Vietnam). On July 24, 1941, a radio reported Japanese warships were off Camranh Bay headed to Indochina. With Japan in South East Asia and Nazi German’s surprise sweep into Russia in June 1941, US faced both Europe and Asia dominated by Axis with the US the last island left between two unsafe seas! With the increased escalation and tension, an embargo was virtually the only way left and on July 25, 1941, the U.S. ordered all Japanese financial assets in the U.S. frozen. While it was not an embargo, lack of assets to buy oil virtually turned it indirectly into an embargo. On July 28, Japan as expected invaded Indochina taking another step towards war. Effectively, by August 1, 1941, there were no more oil exports to Japan from the U.S. Japan’s oil situation was so serious that there were some last minute diplomatic efforts to avoid the confrontation in addition to intense discussions between the Emperor and his top military generals. 看不懂英文的話可以善用google翻譯，網址也都給了。 -- The nation which forgets its defenders will be itself forgotten. ～John Calvin Coolidge, Jr. --

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