Answer:
It means that if you put good and positive energy into the world represented by a "smile", it can change the way other people respond.
Explanation:
C... if they’re testing people there must be some progress.
Answer:
the answer is OF
Explanation: your research should be guided by the directive of the assignment
Answer:
My thing(I'm sorry. Ain't sure with this one. just my analysation)
Answer:
When we talk about Control, and in this case for the reader. We need to interpret the word Guidelines as a provider of safety and also a creator of rules. And regarding the tone, there is a connotation of a severe resistance for protesting, and safety with rules to follow for guidelines