The actions of the international community to eliminate terrorism in the 20th and the 21st century. Selected aspects of the UN and EU activity in the field of security

The main purpose of this article is to determine the causes and scale of the phenomenon of terrorism in the 20th and the 21st century and the action of the international community to eliminate this phenomenon. The first part contains theoretical issues of terrorism. The history of the terrorism phenomenon will be presented, based on a thorough research of the literature. The second part describes several terrorist groups in the world. Al-Qaeda have been listed as examples of the most prevalent, but also the most dangerous groups of this type. The fragment contains the description of the internal structure, strategic objectives and major attacks of each terrorist group as a direct result of their activities. The final part of the thesis deals with the action taken by the international community against terrorism. The European Union and UNO have been taken into consideration as the most active organiza-tions when it comes to terrorism