buffer state

Noun

(geopolitics) A nation lying between potentially hostile nations.

Japanese Meaning

緩衝国：潜在的に敵対する国々の間に位置する国

During the Cold War, the small buffer state often altered its foreign policy to avoid entanglement with either bloc.

冷戦期、小さな緩衝国はどちらの陣営にも巻き込まれないように外交政策を変えることが多かった。

Sense（1）

(geopolitics) A nation lying between potentially hostile nations.

buffer states

（ plural ）