Well, I am not sure what the "official" definition of how bias essays compared to persuasive essays but I have my own definition that I think holds to be quite true overall. Bias writing is where the writer solely focuses upon the narrative that they desire but omit to mention any potential downsides to whatever their viewpoint. A persuasive essay, while written from a certain perspective on an issue or topic, will address such potential causes of concerns about the topic. While the differences may seem small but in actuality, they are quite different since one fully ignores the potential faults in order to push an idea while the other addresses them as valid and gives a response to such concerns.
