The 9/11 (September 11 )attacks has completely shocked the US and the whole world. This event led to a heightened focus on national security.
<h3>What is the relevance of the 9/11 attack?</h3>
9/11 was the attack on US, four coordinated terrorist attacks were carried on by the al-Qaeda, an Islamic terrorist group. It led to, 2996 casualties.
The September 11, 2001, attack on the US made them release they need to focus more on national security.
Therefore, it can be said that option c appropriately describes the statement.
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