This document discusses the relationship between language and nationalism. It begins by outlining how language can be a source of division and how it is linked to both politics and national identity. It then examines the nature of language, noting that whether a dialect is considered a language depends on linguistic, social, and political factors. The document also looks at how languages are classified and developed over time, and analyzes the interaction between language, society, and politics. Finally, it identifies four types of relationships that can exist between a nation and language.