There is less difference than you imply. It is nationalists who are keenest on replacing colonial names. Not all name changes are of colonial names either.
What about when the locals are perfectly happy with the colonial name and politicians (maybe distant from the place) want to change it?
I read elsewhere that Map Quest refused to use "Lake America". I was pleased to find, pretty much on the other wide of the world, their maps also still use the name "Duplication Road" after many decades.
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There is less difference than you imply. It is nationalists who are keenest on replacing colonial names. Not all name changes are of colonial names either.
What about when the locals are perfectly happy with the colonial name and politicians (maybe distant from the place) want to change it?
I read elsewhere that Map Quest refused to use "Lake America". I was pleased to find, pretty much on the other wide of the world, their maps also still use the name "Duplication Road" after many decades.