Answer:
Should soda be offered in school cafeterias?
Should schools teach abstinence-only education?
Why should schools teach financial literacy?
Do all students need to go to college?
Should students take a gap year after high school?
Do all students need to learn a foreign language?
One of the main messages of "The Crucible" is that mob mentality in any situation, religious or political, leads to thoughtless (and therefore unethical and illogical) actions. In this play, those actions lead to the persecution of innocent people.
A thesis describes the main idea of the whole essay ;)
I think it's the 3rd sentence because belligerent means hostile and aggressive.