Answer:
a. rapport
Step-by-step explanation:
Kathryn Edin is a famous sociologist and a well known author. She mainly works and specializes on the study oh the people who are living on welfare.
In their study, Edin and Kefalas worked with several teenage mothers and their life struggles. They studied about the sacrifices of these mothers who put motherhood before their marriage. These teenage and young mothers look upon their children as their source of stability and positivity in their life.
Edin and Kefalas build up a very close as well as a harmonious relation with these mothers to understand each other and communicate well so they would open up themselves to Edin and Kefalas and share their life story and their perception of life.
To rapport is to build a connection or a building a relation with others so that they can communicate well and freely.