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.
You should write about what he discovered and how it affects us today and about the steps leading to the day he found a way to sail around the island
