Polish gradually replaced German as the administrative language and the establishment of voivodeships reduced the Baltic German administration . The Polish gradually replaced German , as the administrative language and the establishment of voivodeships reduced the Baltic - German administration .
Poland secara beransur-ansur menggantikan bahasa Jerman sebagai bahasa pentadbiran dan penubuhan voivodeships mengurangkan pentadbiran Jerman Baltik. Orang Poland secara beransur-ansur menggantikan Jerman, kerana bahasa pentadbiran dan penubuhan voivodeships mengurangkan pentadbiran Baltik-German.