But for both Lincoln and Roosevelt the shooting had started. And you are claiming that after having been attacked then Lincoln should have tried blockades, economic sanctions, international pressure, etc., etc. Well should Roosevelt have buckled down after Pearl Harbor and taken your advice instead of declaring war?
Lincoln was unwilling to give economic sanctions time to work. And he was unwilling to meet with the Confederates and negotiate in good faith.
Negotiate what exactly? Was his positions, an end to secession, even open for discussion? Based on the letter Davis sent to him, no it was not. So what was there to talk about except a surrender to everything the Confederates wanted?
There, fixed it for you. To answer your question, again: No, before the shooting started - like Roosevelt did.
“Negotiate what exactly?”
Avoiding 600,000 deaths.