I shall make sure, as the Constitution orders me to do, that the laws of the Union are obeyed in all the states.

VOA: special.2009.07.30

In a letter in late 1861 from the front, "Will indeed settle the question, for some years at least, as to whether union or secession, the Constitution or rebellion, shall triumph.

在一封1861年年底来自前线的信中,"会解决问题,但至少需要数年,不管是联合还是独立,宪法抑或是起义,终将有一方胜利

耶鲁公开课 - 美国内战与重建课程节选

I believe that under universal law and the Constitution, the Union of these states is permanent.

VOA: special.2009.07.30

And finally, in seventeen eighty-seven, one of the declared reasons for establishing the Constitution of the United States was to form 'a more perfect Union'.

VOA: special.2009.07.30

"but the rights of the South -- under our constitution -- should have as much protection as the rights of any other part of our Union."

VOA: special.2009.05.07

"The Union is much older than the Constitution.

VOA: special.2009.07.30

The Union still followed the United States Constitution.

VOA: special.2009.12.17