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Hogwash.
Sir: -- We have the honor to transmit to you a copy of the full powers from the Convention of the people of South Carolina, under which we are "authorized and empowered to treat with the Government of the United States for the delivery of the forts, magazines, light-houses, and other real estate with their appurtenances, within the limits of South Carolina, and also for an apportionment for the public debt and for a division of all the property held by the Government of the United States, of which South Carolina was recently a member, and generally to negotiate as to all other measures proper to be made and adopted in the existing relation of the parties, and for the continuance of peace and amity between this Commonwealth and the Government at Washington."
Nice. The truth escapes them.
"South Carolina tried in good faith to purchase Federal forts and lands. Lincoln refused."
The letter in full:
Letter From the "Commissioners" of South Carolina to President Buchanan
Note the date: December 26, 1860. Who was President? James Buchanan.
"South Carolina tried in good faith to purchase Federal forts and lands. Lincoln refused. President Buchanan responded."
Fixed it.
But actually not.
You provided a carefully edited copy of the letter, the entire letter actually said that the “Commissioners” would not negotiate, with a blatantly ridiculous excuse that Major Anderson moved his troops from United States property to United States property. So they weren't going to negotiate.
So much for South Carolina's “good faith”.
You of course did not include the date, which makes it obvious it was not sent to Abraham Lincoln. Lincoln had no official capacity in December, 1860, and of course did not receive the letter. You also supplied an edited copy of the letter.
There are two possible explanations for the fact that you did not include the date, the correct addressee, and the full letter.
1) You were given this by someone else in its edited form, used it with out verifying it, but otherwise in good faith, and were not aware of the editing/deception. Now you are.
2) You knew of the editing and deception and didn't care.
In 1) someone else is a liar. In 2) you are a..., well, I see no reason to actually write it, but you know what the next word would be if 2) were in fact true.
I prefer to believe 1). Wisdom on your part would be to write nothing to shake that belief.