Stu­dy this „USA Erklärt“ artic­le.

Prepa­re a  talk in which you take the AMERICAN per­spec­ti­ve and explain why the role of reli­gi­on in Ger­ma­ny (e.g. church taxes, reli­gious edu­ca­ti­on in school, etc.) is com­ple­te­ly absurd and should be chan­ged as soon as possible.