How does the misplaced modifier in "i wished for happiness at the fountain" create confusion?

What is one way that the author makes a distinction between the first transcontinental railroad and the first transcontinental passenger flights in 1936

Read this description of a detail from the movie i am legend. a scientist is the last man alive in a post-apocalyptic new york, where zombies have taken over and destroyed most of the population. about ten minutes into the film, the man thinks back to how the zombie creatures came to be, and how at one point he had a wife and child. which type of suspense technique did the screenwriter use? dramatic irony flashback foreshadowing special effects

The last part of the beowulf excerpt recounts how grendel flees into the darkness after suffering a fatal would from beowulf. what part of freytags pyramid best fits this section of the story