To answer this question, you need to understand the historical context of the wars mentioned in the options.
Option A) I World War - This option is incorrect because although World War I was a significant conflict, it is not known as the "war to end all wars."
Option B) II World War - This option is incorrect because World War II, while being a major global conflict, is also not known as the "war to end all wars."
Option C) III World War - This option is incorrect because there has not been a Third World War in history.
Option D) 7/11 Attack - This option is incorrect because the 7/11 Attack does not refer to a war. It is likely a reference to the terrorist attacks on September 11, 2001, commonly known as the 9/11 attacks.
The correct answer is none of the options provided. The war that is known as the "war to end all wars" is World War I (I World War). It earned this title because of its devastating impact and the hope that it would bring an end to global conflicts. However, this hope was not realized, as World War II followed a few decades later.
Therefore, the given correct answer, D) 7/11 Attack, is incorrect.