<a href="https://en.wikipedia.org/wiki/Gold_standard" id="mwASM" rel="mw:WikiLink" title="Gold standard">Gold standard</a>: The <a href="https://en.wikipedia.org/wiki/United_States_Congress" id="mwASQ" rel="mw:WikiLink" title="United States Congress">U.S. Congress</a> repeals the requirement for a gold reserve to back <a href="https://en.wikipedia.org/wiki/United_States_dollar" id="mwASU" rel="mw:WikiLink" title="United States dollar">US currency</a>.