Supernatural experiences, analysis of the evilness of human nature, (and I think mysterious setting)
The second one. Because it came as a surprise, the pause adds effect.
The last three voting right amendments expanded voting rights by breaking the traditional structure of voting that had been for a long time. Especially the one that allowed 18 year olds to vote ( before it was 21) because the age you could vote was considered the age you become an adult.
C) the homecoming queen waved to the crowd riding in her convertible.
It can be mistaken that the crowd is in the car from the way the sentence is written.
