How does the author develop her main idea over the course of the text?Propaganda: Battling for the Mind

moon-letters were a method of writing invented by the dwarves. moon-letters were ordinary runes, but written in such a way that they could only be read when the light of the moon shone behind the writing. some moon-letters could be read by any moonlight, but it was possible to make the writing even more secret. more sophisticated moon-letters could only be read by the light of the same shape of moon, or at the same time of year, as when they were written. hope this !

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i don't seem to see any options! could you tell me what they are? !

this is d. hope this : d: d: d ; p