By including blacks, Lincoln expanded "the borders of freedom, " says historian Tom Schwartz.

历史学家汤姆.施瓦兹说，包括黑人在内，林肯扩张了“自由的边界”。

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By including blacks, Lincoln expanded "the borders of freedom," says historian Tom Schwartz.

VOA: special.2009.02.09

Jackson redefined the Presidency as an authority that emanated from the will of the electorate, while Lincoln both expanded and contracted civil rights as he saved the Union.

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