Which of the Following Represents a Persuasion Attempt Toward Weakening

Which of the following represents a persuasion attempt toward weakening a commitment?

A) running an information booth at the county fair
B) walking from house to house in your neighborhood to talk to your neighbors about your candidate for office
C) walking from house to house in your neighborhood to talk to your neighbors about why they shouldn't vote for your candidate's opposition
D) walking from house to house in your neighborhood to talk to your neighbors about religion and why they should believe in it also