The Congo Free State is established as a personal possession of
King Leopold II of Belgium, enabling him to exploit the extraction
of rubber and minerals like copper from the region.
Citation:
Editors. "Congo State is established under Leopold II of Belgium".
The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=18903, accessed 21 May 2013.]