In <i id="mwhw"><a href="https://en.wikipedia.org/wiki/Brushaber_v._Union_Pacific_Railroad_Co." id="mwiA" rel="mw:WikiLink" title="Brushaber v. Union Pacific Railroad Co.">Brushaber v. Union Pacific Railroad Co.</a></i>, the <a href="https://en.wikipedia.org/wiki/Supreme_Court_of_the_United_States" id="mwiQ" rel="mw:WikiLink" title="Supreme Court of the United States">Supreme Court of the United States</a> declares the federal <a href="https://en.wikipedia.org/wiki/Income_tax" id="mwig" rel="mw:WikiLink" title="Income tax">income tax</a> constitutional.