In the era of globalization, nation-states still play a crucial role in international diplomacy and security.

Ancient city states often formed alliances to defend against invaders.

Many island states rely on tourism and fishing to sustain their economies amid climate uncertainty.

The empire relied on its vassal states to supply troops and tribute during wartime.

Researchers analyzed multiple construct states to determine how the model's parameters influenced structural stability.

The map highlighted the yellow states to indicate regions at risk of drought.

In many countries, green states often lead the way in renewable energy policy and conservation efforts.

In the historical records, kin states often formed around extended families and controlled local trade routes.

Many rentier states struggle to build inclusive institutions because revenue from rents concentrates power and reduces incentives for accountability.

In recent elections, red states often prioritized different policy solutions than blue states.