I have seen a lot of claims that America has been a corporation for the past 200 years and he is now returning it to a Republic, this making a Biden inauguration illegitimate.
For such a bold claim, I have seen zero proof. Can any verify if this is true or false?
Found this a while back you may find it very informative.
The Missourian
And this https://www.loc.gov/law/help/statutes-at-large/41st-congress/session-3/c41s3ch62.pdf