The <a href="https://en.wikipedia.org/wiki/United_States" id="mwfw" rel="mw:WikiLink" title="United States">United States</a> and the <a href="https://en.wikipedia.org/wiki/United_Kingdom" id="mwgA" rel="mw:WikiLink" title="United Kingdom">United Kingdom</a> agree in the <a href="https://en.wikipedia.org/wiki/Lyons–Seward_Treaty_of_1862" id="mwgQ" rel="mw:WikiLink" title="Lyons–Seward Treaty of 1862">Lyons–Seward Treaty</a> to suppress the <a href="https://en.wikipedia.org/wiki/Atlantic_slave_trade" id="mwgg" rel="mw:WikiLink" title="Atlantic slave trade">African slave trade</a>.