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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク List of White House security breaches ： ウィキペディア英語版 List of White House security breaches Extensive security measures are used to protect the White House as the official residence (Executive Residence), office space (West Wing) of the President of the United States, and grounds. Security is primarily provided by the United States Secret Service. Since the September 11 attacks, the restricted airspace above the White House has been expanded and better enforced. Despite security measures such as a fence, however, there have been some people who have managed to gain access to the White House without permission. ==Fence== Currently, a fence surrounds the White House, but it did not always exist. Though at various points since the time of Thomas Jefferson, various fences and gates were added to shape or constrain public access, greater public access to the White House grounds than was common in comparable European institutions was possible (with some restrictions) up until World War II. After World War II, public access to the White House grounds has been increasingly restricted.〔(Public Report of the White House Security Review ), chapter 4, "The Evolution of Presidential Security" (1995).〕 During the mid-1990s, the fence was expanded by one block to move traffic farther from the White House to prevent damage from any car bomb. 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「List of White House security breaches」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.