

The post I am replying to is specifying Canada, US and Australia.
You mean the countries with a long history of enforcing lingual homogeneity on the native and immigrant populations?
For example:
https://en.wikipedia.org/wiki/Native_American_Languages_Act
https://hawaiianflair.com/blogs/news/the-history-of-hawaiian-language-suppression-and-revival
https://daily.jstor.org/when-american-schools-banned-german-classes/
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