Definition of Terrorism

1- The League of Nations:
All criminal acts directed against a state and intended or calculated to create a state of terror in the minds of particular persons or a group of persons or the general public...

2- Code of Federal Regulations (Revised July 2001):
Terrorism includes the unlawful use of force or violence against persons or property to intimidate or coerce a government, the civilian population, or any segment thereof, in furtherance of political or social objectives. (28 CFR section 0.85, on Judicial Administration, describing functions of the FBI within the Department of Justice)...

3- United States Department of Defense:
The calculated use of violence or threat of violence to inculcate fear; intended to coerce or to intimidate governments or societies in pursuit of goals that are generally political, religious, or ideological...