translation.en: And then we moved on into an era in the 19th century with the rise of a European nation-state where identities and allegiances were defined by ethnicity.
translation.zh: 随之我们来到了19世纪的一段时期 随着欧洲民族国家逐渐强大 在那里身份和效忠对象 是由种族划分决定的。