Who can pull a Moshoeshoe?

So, under King Moshoeshoe I the Basotho kingdom developed a literate bureaucracy, army capable of stalemating the British and Boers, strong national identity, and was able to attain the status of a fairly autonomous protectorate within the British Empire. As a result it exists today with what are essentially its exact borders and government from the eve of it becoming a protectorate.

So, which polities that were erased from the map IOTL could have become solid enough to similarly be allowed to survive under the imperial boot?
 
Well.... Being a mountain kingdom with not great land makes it easier to defend, and provides less incentive for anyone to want to invade.

Ethiopia? Oh yeah, that's OTL...
 
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