” show where the Constitution authorizes the Congress to change the relation of individuals to the government.”
That’s been ignored for decades.
I'd say the 16th amendment pretty well accomplished that. Before then, the idea that the federal government would know everyone's name (let alone the details of their private financial relationships) was as bizarre as having the UN know all of our individual names and finances now.
And I'm still trying to figure out how the government can compel citizens to file a tax return under penalties of perjury, which is a clear violation of the 5th Amendment.