I will give you that. Even though the actions of the Founders predates the definition of treason as laid out in the Constitution their actions would certainly have qualified as treason by anyone’s definition.
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Please show me your posts denouncing Washington, et al, as traitors!
I'm not British so I'm unlikely to denounce them the way someone from the UK might. And I would add that Washington, et al, were motivated enough by their cause to win their rebellion. Lee, et al, were not. Winning changes a lot of things.