Original sentence: The Hungarian University in Bratislava/Pozsony was immediately closed after formation of Czechoslovakia.When Czechoslovakia arose as a new country in this situation, previously prohibited Slovak schools were established, while some Hungarian schools in largely Hungarian regions remained Hungarian and some German schools in largely German regions remained German
Edited sentence: The Hungarian University in Bratislava/Pozsony was immediately closed after the Czechoslovak occupation of the town.When Czechoslovakia arose as a new country in this situation, many Slovak schools were established, while some Hungarian schools in largely Hungarian regions remained Hungarian and some German schools in largely German regions remained German