We only usually bring it up when we're talking about the Mexican War and its aftermath, or something.

我们通常只会在谈论,类似墨西哥战争及其影响时,才会谈到它

耶鲁公开课 - 美国内战与重建课程节选

Or was it 1840? Or was it really in the wake of the Mexican War when you get this massive expansion into the great southwest and the Mexican Session which we'll take up actually next week?

还是1840年,在墨西哥战争的前夕,美国大举扩张进入,广阔的西南部地区及墨西哥会议的召开,这些其实我们下周都会讲到

耶鲁公开课 - 美国内战与重建课程节选