Nationalism Intro

Nation-State: Often recognised as 'the' political community that ensures the legitimacy of the state over its territory, and transforms the state into the state of all its citizens. The notion of 'nation-state' emphasizes this new alliance between nation and state. Nationality is supposed to bind the citizen to the state.

While watching viewing the following nations what elements of  a "Nation-State" as defined by the United Nations are present?

Kingdom of Germany