which of the following is the best example of a solidarity

incentive?
participating in a special interest group that has weekly meetings to discuss your passion for a specific topic

joining an advocacy group who stages sit-ins at your city hall each week

participating in a special interest group that gives you a 10 percent monthly discount on gasoline for an annual membership

joining an interest group that gathers signatures to add stop sign to a street in your neighborhood

participating in a special interest group that has weekly meetings to discuss your passion for a specific topic