The <a href="https://en.wikipedia.org/wiki/Hay–Bunau-Varilla_Treaty" id="mwsA" rel="mw:WikiLink" title="Hay–Bunau-Varilla Treaty">Hay–Bunau-Varilla Treaty</a> is signed by the United States and <a href="https://en.wikipedia.org/wiki/Panama" id="mwsQ" rel="mw:WikiLink" title="Panama">Panama</a>, giving the United States exclusive rights over the <a href="https://en.wikipedia.org/wiki/Panama_Canal_Zone" id="mwsg" rel="mw:WikiLink" title="Panama Canal Zone">Panama Canal Zone</a>.