Task: Translation
Input (Chinese): 本次袭击事件发生前一天，阿富汗南部发生的一系列炸弹爆炸事件造成八名美国人丧生，这使得10月份成为美国军队持续八年战争中最致命的一个月。
Output (English): The assault came a day after a series of bomb blasts in southern Afghanistan killed eight Americans, making October the deadliest month for US troops in the ongoing eight year war.