 The wartime attempts to destroy Polish culture may have strengthened it instead . Norman Davies wrote in God 's Playground : " In 1945 , as a prize for untold sacrifices , the attachment of the survivors to their native culture was stronger than ever before . " Similarly , close @-@ knit underground classes , from primary schools to universities , were renowned for their high quality , due in large part to the lower ratio of students to teachers . The resulting culture was , however , different from the culture of interwar Poland for a number of reasons . The destruction of Poland 's Jewish community , Poland 's postwar territorial changes , and postwar migrations left Poland without its historic ethnic minorities . The multicultural nation was no more . 
 The wartime attempts to destroy Polish culture may <a href='been_done' title='1'><mark>have</mark></a> strengthened it instead . Norman Davies wrote in God <a href='null_genetive' title='2'><mark>'s</mark></a>Playground : " In 1945 , as a prize for untold sacrifices , the attachment of the survivors to their native culture was stronger than ever before . " Similarly , close @-@ knit underground classes , from primary schools to universities , <a href='uninflect' title='3'><mark>were</mark></a> renowned for their high quality , due in large part to the lower ratio of students to teachers . The resulting culture was , however , different from the culture of interwar Poland for a number of reasons . The destruction of Poland <a href='null_genetive' title='4'><mark>'s</mark></a>Jewish community , Poland <a href='null_genetive' title='5'><mark>'s</mark></a>postwar territorial changes , and postwar migrations left Poland without its historic ethnic minorities . The multicultural nation was no more . 
The wartime attempts to destroy Polish culture may done strengthened it instead . Norman Davies wrote in God  Playground : " In 1945 , as a prize for untold sacrifices , the attachment of the survivors to their native culture was stronger than eva b4 . " Similarly , close @-@ knit underground classes , from primary schools to universities , was renowned for their high quality , due in large part to the lower ratio of students to teachers . The resulting culture was , however , different from the culture of interwar Poland for a number of reasons . The destruction of Poland  Jewish community , Poland  postwar territorial changes , and postwar migrations left Poland without its historic ethnic minorities . The multicultural nation was no more .