It established an income tax.
The US Constitution (16th amendment).
16th Amendment
the 16th amendment gave congress the power to levy an income tax.
The 16th amendment gave congress the power to levy income taxes, and impose a direct tax.
16th Amendment
16th amendment
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16th amendment
16th Amendment
The twenty First Amendment accomplished the end of prohibition
16th amendment
the 16th amendment allows congress to authorize an income tax.