The French government, alarmed at Henry Morton Stanley's advance in
Congo on behalf of Leopold II of Belgium, sends explorer Pierre de
Brazza to negotiate with native chiefs on the north side of the
river.
Citation:
Editors. "France and Belgium vie for domination in Congo".
The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=18816, accessed 20 June 2013.]