Realismis one of the ideologies that are particular to the international relationstheory. It is also one of the theories that makes up political philosophy, asit tries to give evidence, model and define political relations. Realist assumethat power is the most significant consequence of political actions, regardlessof whether it is set on a domestic or international stage. They also worldpolitics is a tool that used by those conflicting actors seeking power.
With thedomestic arena, it is thought that politicians try, or do aim, to increase theirpower, on the other hand the international arena, national states are expected totry, or aim to, increase their power. There are two-ways in which to analysethe theory, either as a guideline as to how politicians and nations should goabout gaining more power for personal use, or an explanation of the situationthat the nations and politicians seek. Furthermore, Realism is an ideology thathas been prominent through history.