What destruction occurred due to terrorism?

Terrorism is defined as unlawful use or threatened use of force or violence by a person or an-organized group against people or property with the intention of intimidating or coercing societies or governments often for ideological or political reason. The September 11 attacks were a series of coordinated suicide attacks by al-Qaeda and is a good example of terrorism destruction by an foreing enemy. The Oklahoma City bombing Is an example of terrorism destruction by domestic enemies.