Explain the principal schools of thought (e.g. realism, institutionalism, liberalism, constructivism), and discuss their respective influence in policy-making circles, including the concepts of sovereignty, multilateralism, and interdependency;

• Explain the principal schools of thought (e.g. realism, institutionalism, liberalism, constructivism), and discuss their respective influence in policy-making circles, including the concepts of sovereignty, multilateralism, and interdependency;
• Examine the these schools of thought, as appropriate, including inter alia, related world events where the specific theory proves unable to explain outcomes, and assess implications for a possible future world order.