My personal views and understanding on Idealism and Realism vis-à-vis International Relations (IR) In international relations Idealism and Realism are forces oppose to each other specially in matters of both internal and external affairs of the states. For example, a little look closer to policy decision making between states these major philosophical concepts are in constant struggle. Idealism always seeks to create an ideal policy that do not undermine but promote the moral and ethical principles to prevent worst thing to happen. Theory of forms Leviathan of Thomas Hobbes Social contract United states comes to regret later in its decision to invade Iraq