POL307 Wars, Conflicts and Diplomacy

  book to be used, please do not use outside sources. Joseph Nye and David Welch: Understanding Global Conflict and Cooperation. 10th edition (Person, Harlow 2016). I have 5 potential exam questions 1. reasons of world war 1 2. realism and liberalism in contrast with constructivism 3. role of ethnics in international relations 4. world levels of analysis 5. power and international relations and power conversion answer the question according to the book, please give me a detailed answer.