What do you need to revise for the Kaiser Era, 1890-1914?

What do you need to revise for the Kaiser Era, 1890-1914?
GCSE History

LO: To effectively revise the section of the unit, the Kaiser Era and the difficulties ruling Germany, 1890-1914, following the outline given by AQA.
LO: To use a range of techniques to effective revise for the Recall Assessment next lesson.

Know key information of the Kaiser Era, 1890-1914 within AQA timeframe.
Be able to revise and learn the overview using at least 3 revision techniques.
Begin to make a judgement of which technique is the most effective.