This document discusses different types of nationalism and theories about the origins and growth of nationalism. It describes three types of nationalism - state nationalism which seeks to homogenize a nation within existing political borders; colonial nationalism which is focused on separating from a colonial power; and separatist nationalism within peripheral regions. Theories presented include those that view nations as modern constructs tied to industrialization and print culture, as well as theories that see nations having primordial or ancient roots. The document also examines debates around whether nations are defined by common ethnicity or civic political identity.