Exactly right. But that act of war was extended and perpetuated by the continious improvements and preparations of the offensive/defensive capabilities of Fort Sumter. What is the difference between the offensive or defensive capabilities of an 8 inch napoleanic era cannon? It is the intent of the commander isn't it.

So were the people of Charleston paranoid to be concerned about the presence of Major Anderson and his Garrison at Fort Sumter? The only reason that they would not have a reason to fear the Garrison and the intent of its commander was if South Carolina surrendered and rejoined the Union. That was not going to happen especially after 6 other states seceeded.