I think he uses a metaphor about africa being a cake and he wants a piece of it, like the rest of of the european powers
Because from an outside prospective, a filibuster could virtually put the entire senate into a deadlock from a minority delaying or blocking a vote all together. This also means that in order to end a filibuster, you would require a “cloture vote” which is a super majority (67 out of the 100 senators) essentially taking power away from the majority.
The Lewis and Clark Expedition
D-vote on laws written by the Assembly