Language remains a formidable frontier in the legacy of slavery.
Under the Assads, Kurds were forbidden from learning their own language at school, or even from speaking it in the military. The result is a generation of Syrian Kurds, many now in late middle age, who can't write their own language.
It's problematic being an Arab who writes in Hebrew.
It wasn't so long ago that it was not popular to speak Gaelic in Ireland because the areas that Gaelic is spoken in were much poorer areas.
Anyone interested in language ends up writing about the sociological issues around it.
The advance of standard English culture was less assisted by government policy than by the sheer weight, wealth, and number of England's well-established cultural institutions.
I think with all my books, language has been their subject as much as anything else. Language can elide or displace or sideline whole groups of people. You can't necessarily change the way language is used, but if it becomes something you're conscious of... that gives you a certain power over it.
When I was young we weren't even allowed to speak our own languages in school. They called it 'vernacular,' as if only English was the real tongue.