YOU SAID:

21 Unfortunately, none of these cultural achievements have been translated into political stability. Athenian imperialism had alienated its partners in the Delian League, especially Sparta, and this conflict was played during the decades-long Peloponnese

INTO JAPANESE

21 残念なことに、これらの文化的な達成のどれもに翻訳されている政治的安定。デロス同盟、特にスパルタでのパートナーを疎外していたアテナイ帝国主義、この競合は数十年にわたるペロポネソス半島中に演奏されました。

BACK INTO ENGLISH

21, unfortunately, has been translated into none of these cultural achievements of political stability. Athenian imperialism, which had marginalized the partner in the Delian League, especially Sparta, this competition was played in the Peloponnese peninsula over the last few decades.