A grisly period of internecine war and cannibalism seems to have followed. 一段可怕的内战时期和自相残杀的时期似乎接踵而至。
Archeological evidence points to a multitude of factors, including internecine warfare, the loss of trade routes, drought, and disease. 考古上的证据有很多种,包括内战,贸易途径的消失,干旱和疾病。