What lie? What are you talking about? Lincoln did in fact send a fleet of Warships to Charleston with orders to attack the Confederates there.
The Confederates knew of this fleet and it's orders and it expected to be attacked by those ships as soon as they had all assembled at the rendezvous point.
You know perfectly well Lincoln's final orders were: no use of force unless resupply of Fort Sumter was resisted by force.
It was a forgone conclusion that both sides knew there was not going to be any supplies permitted to be landed at the fort without resistance. That was a throw away line, and both sides knew it.
The War fleet would have sent someone to ask, the Confederates would have said "no", and then the Warships would have moved in to start firing on the Confederate ranks. Fort Sumter's guns would have joined the attacking warships and the Confederates would have been caught in the crossfire between the two forces. Asking to land without resistance was just a pointless formality. The ships were going to end up attacking, and so was Ft. Sumter, and everyone knew it.
His mission to Fort Sumter was strictly equivalent to our missions today to resupply or reinforce Guantanamo Bay, Cuba.
No it wasn't. The Federal Troops at Fort Sumter weren't stationed there. They took that fort by force at night before anyone knew they were going to be there commanding guns overlooking the primary trading harbor of South Carolina.
Perhaps if our Troops stationed at Guantanamo, snuck out in the middle of the night and captured Morro Castle overlooking Havana harbor, then it might be some what comparable.
