Question

What is the only legal direct tax, which was passed by the Sixteenth Amendment to the Constitution?

Answer 1

The gradutated income tax passed in 1913

Explanation:

The graduated income tax was passed in 1913 during the Progressive Era and Taft presidency.

Libertarians claim it was passed in order to pay the debts issued by the Federal Reserve which was introduced by the seventeenth amendment in the exact same year.