Yep it should have.
Did your mock exam not have Dictatorship and Democracy as the documents based question too?
You were probably told to study the case studies in the other sections, as they often come up as long essay questions.
It did, but we studied them near the start of last year and haven't went over them which is why I thought the document question would be about NI case studies, since that's what we've been studying all this year.
Do you think studying just Origins of the Cold War, Gorbachev, Main crisis of the Cold War, Sovietisation of Eastern Europe and Hungarian Uprising would be enough for Division and Realignment?