Although there is a thread which addresses the topic of reliability and usefulness, I have decided to post a specific guide on how to answer this question in the World War I section.
As I am sure most if not all students of Modern History are well familiarised with, there are 7 concepts...
While I was belatedly cleaning out my HSC notes, I found a bunch on techniques. As Absolutezero has already done a thread on literary techniques, I figured I would just do one for film techniques (as sometimes there are students who study films for their core or related texts).
Techniques...