[The_Colonel]

Would such a monarchy remain stable enough to survive? In the whole of Africa, there's only one absolute monarchy (Swaziland).

> there still exists a strong allegiance to the tribe (original nation) over the independent, makeshift nation

Perhaps too strong allegiance? In places where the centralized state becomes weak / collapses, clan violence tends to intensify (Somalia, South Sudan). These larger "makeshift" nations seem to have a somewhat calming effect on the ethnic conflicts.