Which of the following statements about nation-states is true? 1. Most of the world's countries are nation-states because their culture is homogeneous.
2. There are few true nation-states in the world because most of the world's countries have multiple ethnic groups.
3. Most nation-states have a population speaking multiple languages.
4. Nation-states experience fewer border control issues than countries.
5. The nation-state is an outdated concept, and it is unlikely that any nation-states will be established in the future.