If it wants to, sure. In fact, that already happened last year, cf https://www.dw.com/en/russia-starts-giving-passports-to-ukrainians-from-donetsk-luhansk/a-492

If it wants to, sure. In fact, that already happened last year, cf https://www.dw.com/en/russia-starts-giving-passports-to-ukrainians-from-donetsk-luhansk/a-49207353 https://www.dw.com/en/russia-starts-giving-passports-to-ukra...