Write a 4-6-page (1000-1500 word) paper reflecting on the prompt and drawing on course materials and lectures. Please refer to specific cases, treaties, and other materials that we have discussed in class. You do not need to do external research for this paper. Prompt: The nation state is the focal point of much of international law. How do the sources of international reflect this? How have the sources of international law evolved as the concept of the nation state has evolved?