https://blogs.lse.ac.uk/europpblog/2023/12/11/new-hopes-for-the-eu-enlargement-process/
https://www.cdu.de/system/tdf/media/dokumente/ergebnis_sondierung_cdu_csu_spd_120118_2.pdf?file=1&type=field_collection_item&id=12434
https://www.socialeurope.eu/how-to-treat-german-democracys-malaise