NATO’s “Article 5” has been invoked only once in the alliance’s history. In which year did this occur?A. 1999B. 2001C. 2003D. 2007 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Website Label {} [+] Name* Email* Website 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments
