The main characteristic of satires is humour.
Satires usually use different types of humour to talk about a serious situation that can often also have a political note, but this is not necessary. In any case, satires can be useful to point out a problem in society that people would otherwise be perhaps afraid of pointing out.
Sonnets were fairly popular during the mid- 1800s. Think about poor richards almanac, or look up newspapers. Sonnets were everywhere
D. The hints or suggestions that tell the reader what is going to happen in a story