Answer:
Correct answer is A. An attack against one member would be considered an attack against all the members.
Explanation:
A is correct answer as it is the only article that has been mentioned here. All other options are not related to the NATO treaty. This article was put into motion for example after the attacks on United States in 2001.
All other answers are not correct as they are not connected in any way with the creation of NATO.
European nationalism during the late 19th century led most importantly to World War One. The Kaiser in Germany sought, through a new heightened sense of nationalism, to expend Germany's territory.
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President Davis replaced General Johnston with General John Bell Hood, because Hood is more aggressive than Johnston. President Davis hoped that Hood can do more other than manage a fighting retreat. However, General Hood had no time to organize and prepare his army to attack the Union forces at Peachtree Creek on July 20, when he assumed command.
D. Austrian refusal to partial negotiations
<span>The event, which was free and open to the public, was sponsored by Rockford University, where Addams graduated in 1881 as the class valedictorian, and the Jane Addams Hull-House Museum in Chicago, site of her extraordinary efforts on behalf of new immigrants in the late 1800s and early 1900s.</span>