Answer:
Because they were afraid of the looming threat of a helot revolt
The answer to you question is actually c
Answer:
Her sample is not representative of college students as a whole
Explanation:
Lucy just distributed the survey in three of her classes and this is not encompassing enough hence cannot be used to draw a conclusion on the population. She could have gone across different sections of students in the college and make the selection such that every part is duely represented, after which she can conduct her survey.
I believe the answer is: Common underlying principles
Common underlying principles refer to the standard set of mind that we commonly use to approach a certain problem.
If an individual is used to look everything that happen in his/life postiively, that individual would less likely to develop suicidal thought regardless of his/her problems.