A few more suggestions for the "if we have extra tags" group:
Central Africa:
Luanda
Luba
Bunyoro
Buganda
West Africa can use a bunch of tags overall, or some skillful renaming of earlier tags. It would be nice to see both a Macina and a Bambara nation, simply to represent the Fulani/Bambara divide. Ka'arta might also be useful, although they don't pop up until the 1700s.
Central Africa:
Luanda
Luba
Bunyoro
Buganda
West Africa can use a bunch of tags overall, or some skillful renaming of earlier tags. It would be nice to see both a Macina and a Bambara nation, simply to represent the Fulani/Bambara divide. Ka'arta might also be useful, although they don't pop up until the 1700s.