It has been described as ‘the use of international violence by group or individuals to achieve political goals’, by the experts in U.S.A. In simple words, it is the spread of terror. It consists of a series of act planned to spread pressure, panic and destruction in a population. Terrorism has struck all through history and around the world. Even in ancient Roman times, emperors such as Tiberius and Caligula dealt with terrorism by killing those who opposed their rule. Later in the 1860's a terrorist group called the Ku Klux Klan was formed by Southerners to terrify former slaves and prevent them from voting. In the 19th century, Western Europeans, Russians, and Americans adopted terrorism, and believed that the best way to get what they wanted was to assassinate people holding higher positions.
In the 20th century, terrorism went through some great changes. The use of new technology such as automatic weapons and explosives encouraged terrorists to act violently and provided them with an easier way of attacking. At the time, attacks were mainly from groups trying to weaken existing political institutions. However, today terrorism exists with different causes and purposes in mind. It has been used in anti-colonial conflicts such as in Ireland, Britain, Algeria and France. It is used when settling conflicts between different groups in possession of homeland such as Palestine & Israel. It is also used in religious disagreements in the case of the Catholics & Protestants in Northern Ireland and in internal conflicts between revolutionary forces and established governments, for example: Malaysia, Argentina, Iran, and Nicaragua. All in all, terrorism went from numerous attacks