The morning rush hour was in full force, the subway trains rolling. For thousands of citizens, the relaxing weekend trips to the beach and the zoo were still in their minds. One individual had other thoughts on his mind. The weekend was spent making last preparations for a plan that will forever change the lives of him and the thousands of people standing right next to him. He was sweating bullets and clearing his throat constantly, yet, nobody was giving him suspicious looks. At last, a train came to a stop at the station he was residing at. He entered the train calmly, allowing others to enter ahead of him. When the train left the station, it was down to business. He reached into his pocket, where he kept the detonation device. Terrorism has been taking place in the world for centuries. Ever since the terrorist attacks on 9/11, the word terrorism has become the worlds most feared word. There isn’t a day that goes by that goes by where the word terrorism isn’t used by the main stream media. But, how is the word terrorism defined? The Oxford English Dictionary (1989) defines terrorism as “A policy intended to strike terror against whom it is adopted”. This paper will introduce to you three different types of terrorism: state, domestic and international by defining them and giving examples of each and with the information I will define terrorism in my own words.