Carrying out a genocidal plundering of the Congo, he looted its rubber, brutalized its people,
Yoy can't believe all you read.. Rubber is natural only to the Amazon basin. It wasn't until 1876 that the first seeds were smuggled/exported out of Brazil to London. First plantations were in Ceylon and then Malaya but it took a decade or so before the they became established. From then on Belgian Congo rubber would have been a colonial import.