this is muddy.

13th Amendment outlawed slavery and involuntary servitude. Leaving the concept of "voluntary servitude" alone. This allowed the federal beast to, later, trick all Americans, into "volunteering" their way back into the new Universal servitude of US Person and US citizen federal franchises, and malicious identity theft declaring that private sector Americans are occupying "offices" of the federal government, receiving "wages" from such , and thus responsible for the "kickback" which was later termed an "income tax"...