The document discusses the concepts of states, nations, and internationalism. It defines a state as having sovereignty over a territory and population, while a nation is an imagined community. Not all states encompass a single nation, and not all nations are represented by their own state. The document traces the development of sovereignty and international organizations from the Treaty of Westphalia to the United Nations. It also examines liberal internationalism advocated by Kant and Wilson, as well as socialist internationalism promoted by Marx and organizations like the Comintern.