Once in office, Jefferson extended slavery with the Louisiana Purchase in 1803; the new land was carved into 13 states, including three slave states.

入主白宫以后，杰弗逊在1803年通过购买路易斯·安娜扩大了奴隶制；这片新的土地后来被分为13个州，其中包括了三个蓄奴州。

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Once in office, Jefferson extended slavery with the Louisiana Purchase in 1803; the new land was carved into 13 states, including three slave states.

杰斐逊当权期间，曾通过1803年购买路易斯安那州进一步拓展了奴隶制的存在范围：新大陆被分成13个州，包括3个实行奴隶制的州。

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Lincoln then defended his statement that the United States could not continue half slave and half free. He said he did not mean that customs or institutions must be the same in every state.

林肯随后为他有关美国不能再以一半是奴隶制一半是自由州的形式存在的声明辩护，他说，他的意思并不是说每个州的习俗或制度都必须一样。

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He wrote that the North was too aggressive toward the South and should stop interfering in the slave states.

VOA: special.2009.05.14

The North and the South had roughly, as the Northern and Southern states, the Free states and Slave states, had roughly the same geographic size.

北方和南方大致上,北方和南方的各州有,自由州和蓄奴州的区别,但其地理大小总体上相同

耶鲁公开课 - 美国内战与重建课程节选

By 1860 there were approximately 4,000,000 slaves in the United States, the second largest slave society slave population--in the world.

截至1860年,美国大约有,四百万的奴隶,也因此使之成为了,世界历史上的第二大奴隶社会

耶鲁公开课 - 美国内战与重建课程节选

Four more slave states joined the Confederacy but four remained within the Union.

WHITEHOUSE: Abraham Lincoln

There was also no sign on Tuesday of an accord on another issue at the conference -- African demands that former slave states make a formal apology for some 400 years of human trafficking up to the early 19th century, during which some 12 million people where shipped in chains to the Americas.

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It came to the United States through the slave tales and narratives.

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