Answer:
It would most likely be the research study.
Explanation:
The study was done with research, while with the people's feelings, that is just an opinion, and the family vacation package is not really a credible source.
Answer:
awwww
R.I.P
but like thats sad and hi
Answer:
advocacy since they're actively advocating or wanting to shed light on the issues of child labor.
Maintaining eye contact with the speaker
I think.
because you could be writing notes, and that doesn't include eye contact