The income tax started as a conservative political stunt
Republicans have used taxes as a talking point for decades, and Tuesday night's debate was no different.
Retired neurosurgeon Ben Carson elaborated on his idea of a flat tax rate based on the Biblical concept of "tithing."
Despite GOP candidates' obvious revulsion toward taxes in general, the federal income tax actually started as part of a conservative ploy.
Conservative-leaning members of Congress introduced the 16th Amendment, hoping it would stop liberals from pushing for an income tax and part of a tariff, according to the National Archives and Records Administration.
But the story goes back much further than 1913, when the US officially enacted the income tax.
Income taxes were initially a temporary provision. Congress passed the Revenue Act of 1861, which included a tax on personal income to help pay for the hefty expenses of the Civil War. Without proper enforcement, however, it raised little money. In turn, the Internal Revenue Act of 1862 created the Internal Revenue Service to solve that problem.
The new law levied a 3% tax on individual incomes between $600 and $10,000 (between about $14,000 and $230,000 today) and 5% on greater than that. The act reportedly produced about $55 million in government revenue.
Ten years later, however, long after the war had ended, the Grant administration repealed most of the "emergency" taxes, including the income tax.
Then, in 1894, the Wilson-Gorman Tariff Act revived the income tax, imposing a 2% tax on incomes over $4,000. President Grover Cleveland, in cahoots with Congressman William Wilson (D-West Virginia), originally intended the law to lower tariffs, according to The New York Times. After its introduction, however, the Senate drastically altered it, turning the bill into a high-tariff one.
While Cleveland refused to sign the act, he didn't veto it, either. And he still considered the law better than its predecessor, the McKinley Tariff.
Related: Issues with taxes in 2016
The next year, however, the Supreme Court ruled the income tax provision of the Wilson-Gorman Tariff was a direct tax, and as such, violated Article I of the Constitution, which stated taxes had to be levied in proportion to a state's population. That didn't stop progressives from trying to once again attach an income tax to a tariff bill though.
For their part, conservatives wanted to put the kibosh on progressives' efforts to pass an income tax. Conservatives thought an amendment to allow an income tax would never pass, since three-fourths of states have to ratify an amendment for it to become part of the Constitution. So conservatives introduced the amendment, hoping to kill progressives' efforts to pass an income tax as part of a tariff.
Much to conservatives' dismay, state after state hopped on board.
The 16th Amendment, which established an official, federal income tax, was ratified on February 3 and went into effect on February 25, 1913.
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