在此前后，关于奴隶制度的争论，成了美国政治生活中的大事。的翻译：Before and after the debate about slavery, into the United States a major event in the political life. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

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Before and after the debate about slavery, into the United States a major event in the political life.

Around this, about the slave system argument, has become in the American politics life important matter.

Around this time, the debate on slavery and the American political life.

Before and after the debate about slavery, into the United States a major event in the political life.