The answer would be to help a cause. The use of propaganda is that it must help the viewers and convince them to the goal of the propaganda and that it can help the viewers to be influenced by the moral value of those propagandas. But some use propagandas to be famous only so that is the bad side of it.
Propaganda is a used to shape a public a opinion systematically and deliberately often selectively using the facts in such a way to influence the public, so the final option is the correct option as it uses stories and images to help further a certain cause.
