Usage patterns
国家を樹立するto establish a state
After the war of independence, they established a new state.
〈国家〉間の関係relations between states
Relations between the two states are deteriorating.
国家の安全を守るto protect national security
The government enacted a new law to protect national security.
〈人〉が国家に忠誠を誓うfor someone to swear allegiance to the state
The soldiers swore allegiance to the state.
国家として承認されるto be recognized as a state
That region has not yet been recognized as a state.
Expressions
国家の犬public servant (derogatory, esp. police); dogs of the state
