When slave labour camps are part of your family history, you may feel a bit queasy about seeking friendship with a country whose system of prison labour looks unpleasantly similar to the Soviet gulag.

如果你的家族有被奴役的历史，所以你找寻找一个国家做盟友时自然对有类似苏联古拉格监狱的监狱系统国家感到反感。

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In the Southern States the slave owners wanted to set up a country of their own, where they could freely keep black people as slaves.

在南边各州，奴隶主们妄图确立一个他们自己的国家，在那里他们可以为所欲为地把黑人算做仆从。

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The United States is a country that is founded by an assembly of slave owners who wanted to be free.

美国是一个由一群期望自由的奴隶主建立的。

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How had the country existed half-slave and half-free for so many years, Lincoln asked.

VOA: special.2009.06.11

And many people have noted that it's the spirituals, the slave spirituals, that express perhaps the most authentic forms of Christian faith that this country has produced.

很多人都注意到，圣歌，黑人圣歌，或许是美国历史上表达基督信仰的,最真诚的形式。

普林斯顿公开课 - 人性课程节选

He noted that the country had been half-slave and half-free for seventy years.

VOA: special.2009.06.11

But Mexico's Reforma newspaper has accused him of being a former Argentine intelligence officer who ran a slave labour unit during the country's military dictatorship 20 years ago.

BBC: Mexico boss held on torture charges

Brazil received the largest number of African slaves of any country during the Transatlantic slave trade -- more than 4.9 million.

CNN: Obama, Rousseff hold joint press conference

The Scottish Executive has produced a new Scotland and the Slave Trade booklet that looks at the country's historical ties with the trade and the role Scots played in consigning it to history.

BBC: NEWS | UK | Scotland | Events mark slave trade abolition