豪的书终结篇写的是1848年的美国，也是美国和墨西哥颇具争议的战争签订条约结束之时。墨西哥放弃了现在美国西南部的领土。

Howe's book finishes in 1848, when a treaty ended the controversial war between the United States and Mexico, and Mexico ceded the territory that is today the southwestern United States.

youdao

他说他对我所居住的新墨西哥州十分熟悉，因为他在战争期间遇到的美国士兵所看的影片里，到处都是美国西南地区牛仔的身影。

He told me he knows about New Mexico, where I live, because the American soldiers he met during the war watched movies full of Southwestern cowboys.

youdao

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