Question

What is the best title for the following list?

background information
explanation of a confusing topic
supporting evidence for a thesis
expert opinion on a topic
opposing evidence for a thesis

Different Types of Propaganda

Various Purposes of a Source

Various Audiences for a Source

Different Types of Bias

Answer 1

process of elimination

none of these options are specific to propaganda or bias, and it doesn't seem to describe audiences, making "various purposes" the best option