What variables and hypotheses are associated with REALISM? (international relations?

What is the difference between liberalism and realism in international relations?

• Answer:

  Realism and idealism are two dominant models in global politics. They have contrasting ideas when it comes to explaining how states relate to each other in the absence of a world government. The realist ideology want to emphasis the preservation of the state through sovereign dominance as necessary condition for its survival whereas the idealist believe in state cooperation and common interests so that a greater good can be achieved acting collectively than by states acting purely out of national interests.