Students are required to write a 250-300 word reflection on this question:
With a focus on main thinkers who developed thoughts on human nature and its constraints, reflect on the centrality of human nature to (classical) realist theory of IR.
Only Book Source ( Political Theories of International Relations: From Thucydides to the Present
David Boucher-CHAPTERS 5-7)
Also, I attached pdfs of other thinkers to help you out