<a class="mw-redirect" href="https://en.wikipedia.org/wiki/American_Civil_Rights_Movement" id="mwARY" rel="mw:WikiLink" title="American Civil Rights Movement">American Civil Rights Movement</a>: <i id="mwARc"><a class="mw-redirect" href="https://en.wikipedia.org/wiki/Heart_of_Atlanta_Motel_v._United_States" id="mwARg" rel="mw:WikiLink" title="Heart of Atlanta Motel v. United States">Heart of Atlanta Motel v. United States</a></i>: The <a href="https://en.wikipedia.org/wiki/Supreme_Court_of_the_United_States" id="mwARk" rel="mw:WikiLink" title="Supreme Court of the United States">Supreme Court of the United States</a> rules that <a href="https://en.wikipedia.org/wiki/United_States_Congress" id="mwARo" rel="mw:WikiLink" title="United States Congress">Congress</a> can use the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/United_States_Constitution" id="mwARs" rel="mw:WikiLink" title="United States Constitution">Constitution's</a> <a href="https://en.wikipedia.org/wiki/Commerce_Clause" id="mwARw" rel="mw:WikiLink" title="Commerce Clause">Commerce Clause</a> to fight discrimination.