The problem of slavery continued to divide the North and South. Northerners warned that slavery could spread no farther. Southerners threatened to leave the Union unless southern rights were protected. In the far West, one could forget this bitter dispute. There were no slaves in the West. The land…
（美国内战时期，南北两方经济利益的冲突集中表现在究竟是把北方自由劳工制还是南方蓄奴制引入美国扩张中的西部领土上去。） 奴役制问题持续让美国南北两方隔阂重重。北方人警告说，奴役制该到此为止了。南方人则威胁说，要是我们南方（保持奴役制的）权利不保，就退出美国联合体。 在远西部地区，这一痛苦争议不为人所记。…