The number of Jewish students in one school was limited to no more than 5% of the total population. The schools helped to spread Hitler's ideas. They taught students to love Hitler and to obey the authorities.[30] May 12: Bernheim petition to League of Nations, based on article 147 of the 1922 German–Polish Accord on East Silesia, leads to vacation of most racial provisions of Nazi laws in German Upper Silesia.[31][32] July 14: The Jewish people lost citizenship because of a De-Naturalization Law.