Physically and linguistically diverse groups moved to form loosely organized confederacies that effectively restrained interethnic hostilities.体貌特征和语言上存在差异的群体行动起来组成松散的同盟,从而有效遏制了种族间的战事。Somalia is an ethnically and linguistically homogeneous nation.无论是从种族上讲,还是从语言上讲,索马里都是由同一种族组成的国家。