一九五四年十二月二日在華盛頓簽署而於翌年三月三日生效之「美國中華民國共同防禦條約」(Mutual Defense Treaty between the United States of America and the Republic of China),簡稱為「美華共同防禦條約」,常更簡稱為「美華條約」或「美臺條約」。因該條約在本文中言及中華民國之領域或領土,故也有以該條約做為主張美國承認臺灣歸屬於中華民國的根據者。對於該條約的解釋發生疑慮時,是要根據英文正本或中文正本,該條約並沒有特別規定,而且,關於中華民國之領土或是領域,此兩正文似乎有著微妙的差異,放在此將英文正本及中文正本並錄。 ARTICLE II In order more effectively to achieve the objective of this Treaty, the Party separately and jointly by self-help and mutual aid will maintain and develop their individual and collective capacity to resist armed attack and communist subversive activities directed […]