[aQ_code_initiate]

it is necessary to use substantial force to put down rebellion

Your definition of a rebellion is even more expansive than Lincoln's.

[muawiyah]

Actually, it's pretty much in line with Lincolns. Remember, Sumter was fired on. The Union defended itself.

Greer denied the validity of US government process. I think it's fair for the US government to deny his validity in response.