Attacked my girlfriend's identity and pride, albeit accidentally and unintentionally, how do I make up for it?

Alright, so without cutting the crap I'll come straight to the point. Both ot us are students in the same college, and yes she's Assamese and I'm a "mainland person". She eas gone home for a week, so this conversation happened over text... A couple of days back. We were discussing something and I do not know how or why, but the discussion went towards what she'll do after her graduation, to which she replied that she'll just go back to Assam, to her people, and work for them. Clear the govt exam (we all know which one) and apply for Assam cadre. If not, she'll join state politics. To which I responded something along "Don't do that. Set up something on the ground level to keep you updated abt what goes on and you be at the centre to bring these things up there." At one point I really don't know what I was thinking when I said it, but I said "tumse separatist vibe aa raha hai thora thora" She: "How dare you call me that. Someone wanting to serve for the state whole heartedly is a separatist now? You just lost all respect I had for you." Me: "Forgive me if you will, but everything offensive or worse I said is out of pure ignorance and lack of knowledge/awareness." She: "I have forgiven you, but today you crossed your boundaries." Me: "That's totally understandable. I'll even respect if you choose to walk away now." She: "I need some time." Me: "Take your time and take care, I love you" (at that time I had realised the severity of what I have said, but not exactly what was going on.) She: thanks. Goodnight. Yes, I know I messed up real bad. Yes, now I realise to what extent I've messed up. Yes, I'm getting downvoted. But that's not my concern. Yes, there's a very high probability that she'll walk away since it's barely been a month of togetherness, so our bond isn't strong enough to keep her around. I'll read about your history and culture. I'm planning to learn the language either way, might as well do a bit of this. I've hurt her sentiments, her very identity she is proud of. I love her. What should I do? Posted here because she's Assamese.