He wasn't treasonous at all. He was very loyal to Virginia, his home State that had been united with others. Recall that when Virginia (and New York) ratified the Constitution, they did so with the explicit mention that it was only with the understanding that secession would be allowed. Lincoln changed the rules, not Lee.
Besides, there was nary a word when New England states had considered secession a few decades previously. Why were those gatherings not broken up as "seditious" or something?
So, as long as a person remains loyal to their home state, they can commit whatever treason they want against the United States? Interesting.
Besides, there was nary a word when New England states had considered secession a few decades previously. Why were those gatherings not broken up as "seditious" or something?
Because, AFAIK, they did not organize an army and attempt to secede from the Union.
You will have to excuse (Modernman) I believe he was educated per revisionist history (liberal teaching). NSNR