Linked from
The 38 pages that link to Belgian Congo, each with the reason it gives.
KinshasaNarrower topic: Léopoldville became the colony’s administrative capital.
MatadiNarrower topic: Matadi developed as a major port under Belgian colonial rule.
Mbuji-MayiNarrower topic: Mbuji-Mayi expanded within the colonial mining economy.
BukavuNarrower topic: Bukavu developed as a colonial administrative center under Belgian rule.