Which article of the NATO treaty stipulates the principle of collective defense?A. Article 3B. Article 4C. Article 5D. Article 6 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