That's a pretty big deal, actually... imagine (assuming that you are an English monolingual) that suddenly the geopolitics around your city change, and you can

That's a pretty big deal, actually... imagine (assuming that you are an English monolingual) that suddenly the geopolitics around your city change, and you can not live your daily life using English anymore. You need to learn another, foreign language, that becomes the sole official language. Would you be happy, even if you kept "most of everything else" ?