Answer: Use violent means, force, spread fear among the population, in order to achieve their goals
Explanation: A terrorist organization is a political, ideological, usually religiously oriented group that achieves its goals by unlawful, violent means. Terrorism and violent methods are the primary means they use, although there are others, and direct their violent means to governments, political leaders, and civilian populations. The reasons for such action are, as they usually claim, the theory of conspiracy by imperialist states directed against them. Terrorists usually have backward views, seen in past times and obsolete values. They want to create a strong, conservative social order of the past.