The concept was that all European nations had to seek to prevent one nation from becoming powerful, and thus national governments often changed their alliances in order to maintain the balance.
유럽국들은 그들 중 하나가 강력해지는 걸 막아야 했으며, 균형을 지키기 위해 각국 정부들은 종종 동맹관계를 바꾸었습니다.