Revolutionary movement
It is a specific type of social movement dedicated to carrying out a revolution. Charles Tilly defines it as "a social movement advancing exclusive competing claims to control of the state, or some segment of it".
Answer:
a. interviews allow respondents to speak in their own words; they can reveal their thoughts, feelings, and beliefs—internal states that would not necessarily be accessible by any other means.
Explanation:
Interviews allow individuals reveal what they may not in their works or other endeavors with the public. No wonder journalists go after interviews and believe them the jackpot. There is a closer look at the interviewee during this process since he coukd be asked more personal questions here.