Political Science International Theory of Realism

Analyze the international theory of realism. What are the tenants of classical and neorealism? How is realism different from other international theories such as liberalism, constructivism, and Marxism? What are some of the criticisms of realism? How do other theories criticize realism? Are these criticisms valid or not? Are the claims of realism supported or undermined by the record of important events in the history of international politics (Give specific examples)? Does any other theory explain the world better than realism? Why or why not?
Please cite at least once in the essay from the book “International Relations” written by Jon C. Pevehouse; Joshua S. Goldstein.
Include a work cited page as well please