Index/Topics/Sixteenth Amendment

Sixteenth Amendment

The push for and ratification of the Sixteenth Amendment in 1913 to remove the apportionment obstacle created by Pollock.

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Jan 16, 2026
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What did the Revenue Act of 1862 tax and how was it structured?

The Revenue Act of 1862 broadened the federal tax base far beyond the short-lived 1861 income provision by levying excise duties on many retail and business items, instituting the nation’s first susta...

Jan 30, 2026

How did the Supreme Court rulings like Pollock v. Farmers' Loan affect the push for the 16th Amendment?

The Supreme Court’s decisions in v. Farmers’ Loan transformed a technical constitutional ruling into a political crisis that galvanized a long campaign to enshrine a federal income-tax power in the Co...

Jan 18, 2026

Which constitutional objections did opponents cite during House and Senate debates over the 16th Amendment

Opponents of the Sixteenth Amendment chiefly argued that it would upend the Constitution’s constraints on federal taxation—especially the apportionment rule for “direct” taxes—and would expand nationa...

Jan 17, 2026

How has the Supreme Court interpreted the taxing power in Clause 1?

The Supreme Court has treated Article I, Section 8, Clause 1 as a capacious grant: the taxing power reaches broadly across subjects and methods, and after early twentieth‑century limits the Court larg...

Jan 16, 2026

What changes did the Revenue Act of 1913 make to tax rates and the administration of the federal income tax?

The Revenue Act of 1913 (the Underwood–Simmons or Underwood Tariff Act) simultaneously slashed tariff rates and re‑established a federal income tax, shifting the federal revenue mix away from duties t...