美国为什么不吞并比自己人口少很多的加拿大和比自己落后的墨西哥呢?

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notabird

2020-09-21T04:11:17+00:00

[img]https://img.nga.178.com/attachments/mon_202009/24/-7Q5-ievjK2sT1kShs-13m.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202009/24/-7Q5-hz6mZdT1kShs-13m.jpg.medium.jpg[/img]