<a rel="mw:WikiLink" href="https://en.wikipedia.org/Article_One_of_the_United_States_Constitution" title="Article One of the United States Constitution" id="mwCm0">Article One, Section Eight of the United States Constitution</a> grants the <a rel="mw:WikiLink" href="https://en.wikipedia.org/United_States_Congress" title="United States Congress" id="mwCm4">United States Congress</a> exclusive jurisdiction over the city. The district did not have an elected local government until passage of the <a rel="mw:WikiLink" href="https://en.wikipedia.org/District_of_Columbia_Home_Rule_Act" title="District of Columbia Home Rule Act" id="mwCm8">1973 Home Rule Act</a>, which devolved certain Congressional powers to an <a rel="mw:WikiLink" href="https://en.wikipedia.org/Mayor_of_the_District_of_Columbia" title="Mayor of the District of Columbia" id="mwCnA">elected mayor</a> and a 13-member <a rel="mw:WikiLink" href="https://en.wikipedia.org/Council_of_the_District_of_Columbia" title="Council of the District of Columbia" id="mwCnE">Council of the District of Columbia</a>. However, Congress retains the right to review and overturn laws created by the council and intervene in local affairs. Washington, D.C., is <a rel="mw:WikiLink" href="https://en.wikipedia.org/Political_party_strength_in_the_District_of_Columbia" title="Political party strength in the District of Columbia" id="mwCnY">overwhelmingly Democratic</a>, <a rel="mw:WikiLink" href="https://en.wikipedia.org/United_States_presidential_elections_in_the_District_of_Columbia" title="United States presidential elections in the District of Columbia" id="mwCnc">having voted</a> for <a rel="mw:WikiLink" href="https://en.wikipedia.org/Democratic_Party_(United_States)" title="Democratic Party (United States)" id="mwCng">Democratic</a> presidential candidates consistently since it was granted electoral votes in the <a rel="mw:WikiLink" href="https://en.wikipedia.org/1964_United_States_presidential_election" title="1964 United States presidential election" id="mwCnk">1964 presidential election</a>.
