Answer: A lot of history is untold, or is half true and half real (there’s propaganda and yellow journalism). Primary sources are more accurate but if the author is not objective and is biased, it will make his or her words less trustable. Also, secondary sources, which are sources from people who analyze the primary sources, are based on the interpretation of the author and his way of thinking/opinion. This makes the documentaries that actually survived the passing of time to modern day not as reliable just looking at one source. When looking at multiple sources, they will have different points of view and it is based on our own inferences to figure out what is the closest and accurate answer based on evidence from different sources.
Step-by-step explanation: