And so, what happens is that he goes to war in the summer of 1870, without any allies, against Prussia and its South German allies, and he thinks he's going to win.

因此,战争在一八七零年夏天爆发,法军孤立无援,单独对抗普鲁士及其南德诸邦盟友,他自认为必胜无疑

耶鲁公开课 - 1871年后的法国课程节选