>>210Remember that accurate mapping of the continent was not finished at the time and European powers still used rather archaic methods to determine where borders were
One infamous example was when during a debate over where Mozambique ended and Tanzania began the Portuguese diplomat just slapped his hand down on the table and said everything west of his thumb was Tanzania and everything East Mozambique (or something else to that effect)
The offical treaty saying where Leopold Congo began and ended was about as equally weird. It basically said everything between Congo’s two main rivers belonged to Belgium this was before they likely knew that the “Two main rivers” basically encircled the entire Congo basin
Also Leopold did wage a minor war against the Sultan of Zanzibar over whether Eastern Congo belonged to his rubber plantation or to the Sultans slave traders
>>211It was considered incredibly dangerous yes. But people did know about the pure amount of raw / Rare materials that could be found inside
The majority of the Belgium settlements in this period snaked along the river usually with creative names like “#1-#2-#3” with the idea that they would harvest material and send it up river to the main port where it could then be shipped to Belgium