Here's why "nation" fits the description:
* Shared Government: A nation is defined by a unified political system and shared governance.
* Common Language: Nations often have a dominant language spoken by a majority of the population.
* Shared History: A nation's history binds its people together through common experiences and narratives.
* Culture: Nations often exhibit cultural similarities, including traditions, beliefs, and values.
Other potential synonyms, though not as directly aligned with all the points, could include:
* State (specifically a sovereign state)
* Realm
* Land (less precise, but can sometimes be used)