I think it may be C. Objects can give people power
One you rent for a few day the other you stay at for a long periods of time
Ethos is using credibility to persuade someone like using a celebrity or scientist.
Pathos is using material that produces strong emotions one way or the other
Logos is using statistics and facts to persuade one way or the other.
Propaganda uses at least one or all three of these. It is material used to promote a political side, event, or point of view.
Freedom of expression is a core value in the democratic process. It ensures people are able to discuss, exchange, and debate ideas. This human right allows individuals and communities to find information which is important to them and share it with others, without censorship or reprisals.
The verb phrase, "have become", is functioning as an action verb.