Successor States in Central and Eastern Europe https://oyc.yale.edu/history/hist-202/lecture-20 https://www.rte.ie/centuryireland/index.php/articles/post-war-europe-nations-states-collapsing-empires#:~:text=New%20states%20included%20the%20remnants,called%20successor%20states%2C%20such%20as
