Poe's works are considered scary or frightening. They CONVEY (add feeling, communicate) this mood.
A. Simple
This is one independent clause so it is simple.
Compound is two independent
Complex is an independent and dependent
I don’t know what compound complex is but this sentence is simple
Answer: so that people can do what they want when they want without feeling trapped or forced to be doing something.
I’d believe the informal would be “Can you...?”