In fact, coolie trade was as bad as slave trade.

其实，苦力买卖与黑奴买卖一样恶劣。

That mission seems frivolous floating the paper, to the American slave trade freely decide their destiny is totally different.

那团看来轻飘飘的纸捲，给了美国黑奴自由，决定了他们完全不同的命运。

Just as important was Clarkson's gathering of the physical evidence of the slave trade to confirm the oral and written accounts he collected.

同样重要的是克拉克森收集的实物证据证明了其收集的那些口头及书面材料的真实性。

Han was responsible for destroying the secret Authority prison installation, Star's end, as well as helping expose a slave trade ring that extended to some very prominent Authority execs.

汉对管理局秘密监狱“星之尽”的被毁负有责任，他还帮助曝光了一个涉及管理局显赫官员的贩奴集团。

He urged the revival of the slave-trade in the late 1850s, and he developed a theory of what he called warranteeism.

他在19世纪50年代后期力促奴隶贸易的复兴，并提出了一种他称之为担保主义的理论。