Officer Jones Explains to John What the Crime of Terrorism

Officer Jones explains to John what the crime of terrorism is. Which of the following is true concerning terrorism?

A) Terrorism is a set on interacting parts that, when functioning properly, achieve a desired result.
B) Terrorism always consists of a group of people, usually three or more.
C) Terrorism is the use or threat of violence to achieve political objectives.
D) The need to respond to terrorist threat led politicians to create the Department of Justice.