The <a href="https://en.wikipedia.org/wiki/United_States_Congress" id="mwAU4" rel="mw:WikiLink" title="United States Congress">United States Congress</a> overrides President <a href="https://en.wikipedia.org/wiki/Richard_Nixon" id="mwAU8" rel="mw:WikiLink" title="Richard Nixon">Richard Nixon</a>'s veto of the <a href="https://en.wikipedia.org/wiki/War_Powers_Resolution" id="mwAVA" rel="mw:WikiLink" title="War Powers Resolution">War Powers Resolution</a>, which limits presidential power to wage war without congressional approval.