What countries made imperial efforts in the region of congo river basin?

The congo river basin, also known as the Belgian Congo, was one of the deadlier and more tumultuous imperialist states during the colonial regimes in Africa. Like the name Belgian Congo implies, the major country which held imperial control of the Congo was Belgium. Eventually through revolution the Democratic Republic of the Congo was formed from the dissolution of the Belgian Congo.

He got it right defiantly right

A) it is created from magma