You left a couple out. Lincoln declared a blockade of southern ports on April 19. Since a blockade was considered an act of war, it gave a not too bad rationale for the CSA declaring war on the USA a couple weeks later.
You also left out Virginia launching war on the United States by attacking Harpers Ferry and Hampton Roads before it had even formally seceded. That one’s pretty difficult to justify.
Sure, blockade gave them another excuse to do what they had already been doing since December 1860: provoke the United States into war.
But I don't include it because my standard is: "all this happened before a single Confederate soldier was killed in battle with any Union force, and before any Union Army invaded a single Confederate state."
Lincoln's declarations, by themselves, did not kill any Confederates.