required to watch all films prepared by the school division of the Reich Ministry of Public Enlightenment and Propaganda. In addition, 80 percent of the country's oil and 74 percent of its steel production were taken. Citizens were harassed and subjected to violent attacks. Beyer, John.; Schneider, Stephen. The change was never fully implemented, as the Länder were still used as administrative divisions for some government departments such as education. Germany remained divided until 1990, when the Allies renounced all claims to German territory with the Treaty on the Final Settlement with Respect to Germany, under which Germany also renounced claims to territories lost during World War. Bracher, Karl Dietrich (1970). During operation AB-Aktion, many university professors and members of the Polish intelligentsia were arrested, transported to concentration camps, or executed. Architecture and art Main articles: Nazi architecture and Art of the Third Reich Plans for Berlin called for the Volkshalle (People's Hall) and a triumphal arch to be built at either end of a wide boulevard. Members of these professions were required to join their respective organisation. Holy Roman Empire (8001806) and the, german Empire (18711918). Germany was now a totalitarian state with Hitler at its head.