Rebellion and secession are and were clean different things. It is the distinction between murdering one's spouse and abandoning one's spouse for cause. Suspending the Great Writ is not a justification for shooting one's former spouse in the back as that spouse justifiably and quite legally leaves. With the departure, the limited grant of sovereignty by Florida and South Carolina was dissolved. Jonathan Stonewall Jackson did NOT attack the Union for which he had argued before the war. Nor was he motivated by slavery with which he disagreed, risking arrest by teaching slaves to read so that they could read their Scriptures.
I am also waiting your response to the specific language of the Ninth and Tenth Amendments which prohibited Lincoln's actions.