Propaganda Commonlit: how does the author develop her main idea over the course of the text

Jackson is a very smart little boy he can count to twenty and is only two years old. complete, run on sentence or comma splice

Seven pleiades entranced in heaven, form in the deep another seven: endymion nodding from above sees in the sea a second love. how do the ideas in the excerpt compare to poe’s ideas in "the poetic principle"? this celebration of love offers the “lessons of truth” that poe encourages. this scientific reference relates to the “precepts of duty” that poe praises. this reflection of the night sky offers a “contemplation of the beautiful” that poe encourages. this image of heaven encourages the “incitements of passion” that poe praises.

Which of the following is an example of a periodical?