World War One soldiers.
World War One soldiers. Source:

When you talk about a source's relevance, you need to explain how useful the source is in answering the topic under investigation. To help you determine a source’s relevance, ask questions such as:


  • What explicit or implicit information does it provide to help your argument?

  • Why is the creator an important individual in regards to the topic under investigation?

  • What unique perspective or bias does this source show that helps you?

Demonstrating source relevance in your writing:


Pliny’s account is particularly relevant to the issues of public entertainment in Roman society and Roman attitudes towards gladiators because he witnessed many such events firsthand.


Marx’s theory of surplus is a useful model to describe the problems of capitalism that arose in renaissance Europe because he drew upon many social conflicts that were evident he observed.