<a href="https://en.wikipedia.org/wiki/Vietnam_War" id="mwAWs" rel="mw:WikiLink" title="Vietnam War">Vietnam War</a>: The <a href="https://en.wikipedia.org/wiki/Supreme_Court_of_the_United_States" id="mwAWw" rel="mw:WikiLink" title="Supreme Court of the United States">Supreme Court of the United States</a> <a href="https://en.wikipedia.org/wiki/Massachusetts_v._Laird" id="mwAW0" rel="mw:WikiLink" title="Massachusetts v. Laird">votes 6–3 against hearing a case</a> to allow <a href="https://en.wikipedia.org/wiki/Massachusetts" id="mwAW4" rel="mw:WikiLink" title="Massachusetts">Massachusetts</a> to enforce its law granting residents the right to refuse military service in an undeclared war.