This event is called the Bronze Age collapse.

这一事件被称为青铜时代的崩塌。

The late Bronze Age collapse was quite sudden, and its cause remains unclear to historians, while the arguments presented in the article you just read are interesting.

青铜时代晚期的崩溃非常突然，历史学家对其原因仍不清楚，而你刚刚读到的文章中提出的论点很有趣。