What was the significance, other than the obvious harm to US forces, of the terror attack on the USS Cole in 2000?

It demonstrated that bin Laden and al-Qaeda were not intimidated by the United States' reprisal for their terrorist acts.

Its small size and force indicated that al-Qaeda's resources were being worn down by the US military.

It demonstrated that bin Laden's control over al-Qaeda was incontrovertible, because the attackers identified themselves as bin Laden's servants just before the explosion.

Its coordination and successful use of underwater rocketry demonstrated that al-Qaeda's Strength and use of technology were growing along with the terror movement

Question

What was the significance, other than the obvious harm to US forces, of the terror attack on the USS Cole in 2000?

It demonstrated that bin Laden and al-Qaeda were not intimidated by the United States' reprisal for their terrorist acts.

Its small size and force indicated that al-Qaeda's resources were being worn down by the US military.

It demonstrated that bin Laden's control over al-Qaeda was incontrovertible, because the attackers identified themselves as bin Laden's servants just before the explosion.

Its coordination and successful use of underwater rocketry demonstrated that al-Qaeda's Strength and use of technology were growing along with the terror movement