求翻译：大家都知道林肯，因为他维护了国家统一，废除了奴隶制，解放了黑奴，从此美国黑奴获得了自由，使数百万奴隶重获新生。为民主的自由开辟了新天地是什么意思？

We all know that Lincoln, because he maintained national unity, the abolition of slavery, the liberation of the slaves, slaves gained their freedom from the United States, so that millions of slaves lease of life. The freedom of democracy has opened up a new world

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Everybody knows Lincoln, because he maintained the country to be unified, abolished the slavery, liberated the black slave, from this time on the American black slave has obtained the freedom, caused several 1,000,000 slaves to attain the new student again.Opened the new world for the democracy free

We all know Lincoln, because he was maintaining national unity, abolished slavery, freed slaves, from the United States slaves are free, so that millions of slaves back to life. For democracy and freedom has opened up a new world

We all know Lincoln, because he was maintaining national unity, abolished slavery, freed slaves, from the United States slaves are free, so that millions of slaves back to life. For democracy and freedom has opened up a new world