Respuesta :
'Should be' sounds pretty vague to me; 'required' makes sense too.
The vague words or phrases in the thesis statement below are:
- Should be
- Required
What is a Vague Word?
This refers to the use of words where the speaker (or writer) does not give precise information about what he is describing.
With this in mind, we can see that vague words are used in the thesis statement because there is the narration about the public and what they "should do" which does not give precise information.
Read more about vague words here:
https://brainly.com/question/7325289