Union Minière du Haut Katanga
...that from 1926 to 1940, the Union Minière du Haut Katanga had a virtual monopoly of the world uranium market?
...that from <a href="./1926" id="mwA2U" rel="mw:WikiLink" title="1926">1926</a> to <a href="./1940" id="mwA2Y" rel="mw:WikiLink" title="1940">1940</a>, the <b id="mwA2c"><a class="mw-redirect" href="./Union_Minière_du_Haut_Katanga" id="mwA2g" rel="mw:WikiLink" title="Union Minière du Haut Katanga">Union Minière du Haut Katanga</a></b> had a virtual <a href="./Monopoly" id="mwA2k" rel="mw:WikiLink" title="Monopoly">monopoly</a> of the world <a href="./Uranium" id="mwA2o" rel="mw:WikiLink" title="Uranium">uranium</a> market?