Explain what motivates the United States’ approach to ISIS, with respect to the realist theory.

You are prove the thesis: what motivates the United States’ approach to ISIS, with respect to the realist theory. So basically the object of the paper would be to evaluate whether the motivations of the United States in its fight against ISIS are in keeping with what realists would predict. The thesis should spell out, how the factors motivating the United States’ fight against ISIS are (or are not) in keeping with what realists would predict.