[Non-Sequitur]

Well, the union only had to leave the land of the Confederate States. They refused.

Fort Sumter was not 'the land of the Confederate States.' It was property of the U.S. government and secession, even if it had been legal, didn't change that.

[CodeToad]

“It was property of the U.S. government and secession, even if it had been legal, didn’t change that.”

BS. The South left the union so the union must leave the South. The only reason to stay was to give Lincoln a reason to pick a fight.