Terrorism is a term used to refer to the intentional and systematic use of terror by groups or individuals for the purpose of achieving their objectives that are mainly political ones. Terrorism can be exercised by political parties of all ideologies including right and left, as well as by companies, religious, revolutionary groups, and governments in power. An example of this is the terrorism exercised by guerrilla groups in Latin America during the twentieth century with communist influence. So, the correct answer is Terrorism.
