Europe's states have been able to achieve this discipline primarily because they are democracies. Europe's peoples have sanctioned limiting their own governments powers so as to achieve peace across Europe.
国家主动限制自身的行为在人类历史上是绝无仅有的。欧洲国家能够实现这种约束首先因为它们都是民主国家。欧洲的人民同意限制政府的权力以使全欧洲的和平得以实现。