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Pan-American Security Zone : ウィキペディア英語版 | Pan-American Security Zone During the early years of World War II before the United States became a formal belligerent, President Franklin D. Roosevelt declared a region of the Atlantic, adjacent to the Americas as the Pan-American Security Zone. Within this zone, United States naval ships escorted convoys bound for Europe. In practice, this greatly aided the United Kingdom, which was largely dependent upon the Atlantic convoys. The Zone was one of a number of actions taken by the United States that ran counter to its formal state of neutrality. It was set up in October 1939 at US behest by the Declaration of Panama signed by the nations of North and South America. Within the Zone which extended between offshore, the signatories would not tolerate belligerent acts. Despite formal complaints in December 1939 to Britain over the action against the Admiral Graf Spee off the River Plate, US implementation of the Zone was clearly to Britain's advantage. From early 1941, United States Navy convoy escorts eased British and Canadian difficulties by providing escorts; USN ships and aircraft were ordered to broadcast in clear any U-boat sightings, thus alerting British listeners.〔 The ''Kriegsmarine'' (German navy) resented this "cheating" but they were instructed to avoid hostile acts against US ships so as not to give cause for a declaration of war. On 18 April 1941, Roosevelt extended the Pan-American Security Zone to longitude 26 degrees west, east of New York and just short of Iceland, a major convoy staging area. ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Pan-American Security Zone」の詳細全文を読む
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