<a href="https://en.wikipedia.org/wiki/Costa_Rica" id="mwcQ" rel="mw:WikiLink" title="Costa Rica">Costa Rica</a> signs the <a href="https://en.wikipedia.org/wiki/Buenos_Aires_Convention" id="mwcg" rel="mw:WikiLink" title="Buenos Aires Convention">Buenos Aires Convention</a>, a <a href="https://en.wikipedia.org/wiki/Copyright" id="mwcw" rel="mw:WikiLink" title="Copyright">copyright</a> treaty.