奴隶制度在接下来的七十八年里不会结束。

The institution of slavery would not come to an end for another seventy-eight years.

博物馆有一个关于奴隶制度恐怖的展览。

The museum has an exhibit on the horrors of slavery.

奴隶制度是美国内战期间的一个重大问题。

Slavery was a significant issue during the American Civil War.

过去两个世纪里，许多国家废除了奴隶制度。

Many countries have abolished slavery in the past two centuries.

历史课讨论了奴隶制度对古代文明的影响。

The history class discussed the impact of slavery on ancient civilizations.

这部小说描绘了19世纪奴隶制度的残酷现实。

The novel portrays the brutal realities of slavery in the 19th century.

相信奴隶制度是有害的。

Believed that slavery was bad.

他赞成废除奴隶制度。

He declared for the abolition of slavery.

但在南方， 奴隶制度仍在继续。

But in the South, slavery went on.

许多人为废除奴隶制度而奋斗.

Many men fought for the abolition of slavery.