Answer:
the Palestine-Israel conflict
the collapse of the Soviet empire
political instability in the Middle East
Explanation:
Terrorism is the systematic use of terror, used by a wide range of organizations, groups or individuals in the promotion of their goals, both by nationalist and non-nationalist political parties, right and left, as well as by corporations, religious groups , racists, colonialists, independentistas, revolutionaries, conservatives and governments in power.
Terrorism, as a tactic, is a form of violence that is distinguished from State terrorism by the fact that in the latter case its authors belong to governmental entities. It is also distinguished from acts of war and war crimes in which it occurs in the absence of war. The presence of non-state actors in armed conflicts has created controversy regarding the application of the laws of war.