Bitten is generally used with an Accusative case if you want to precise from whom you ask for one thing and employed With all the preposition “um” followed by an Accusative object if you wish to express what you're requesting. die allgemeine Förderung des demokratischen Staatswesens in der Bundesrepublik Deutschland; https://entdeckensiediewelt.de/wie-eine-geschaftsadresse-in-leipzig-ihre-marke-aufwerten-kann/