Attitude of person describes about view point and thought that a person persist regarding any certain topic.It describes behavior of a person along with the opinion in mind.
According to the question,Baldwin should consider and analyze attitude of people while addressing issue of swimming pool construction in neighborhood.This will help her to know audience's point of view regarding the construction and she can resolve issue accordingly
The third one because if you look up the question it say what they are in different wording, so I looked at all what they meant so it should be the third one