It won't come as a surprise. The big topic of this class test is "International Relations". This includes:
definitions of war
definitions of peace
role of the UN
UN missions (not specific details of a certain mission but in GENERAL: What kind of missions are there, what are presonditions, WHY are there UN missions, are they, in your opinion, overall
German foreign policy guidelines
That's it. Oh, and take a look at how to write a cartoon analysis....