Answer:
a. Buttonholing.
Explanation:
Buttonhole can be defined as stopping an individual so as he or she can listen to you. Buttonholing can simply be defines as the act of keeping an individual against his or her will so that he or she can listen to what you have to say. interest group are group or an association of people who have similar interest, ides, aim and pursue a common goal. interest group have different ways of which there communicate their interest of which buttonhole is not among them.
Indirect strategies are those ways or means that are not legal or straightforward that are used to achieve ones aim e;g civil disobedience. interest group will not hold an individual hostage so as to advance their cause or aim.
Buttonholing is an example of direct strategy to be used by interest groups to advance their cause, hence the Option A is an exception.
There are direct and indirect ways of influencing people for an interest group. Interest group are group of people who have common set of goals, objective, ideologies and interest.
Buttonholing is the direct approach of influencing the people to listen them and to join them. It is also defined as the act of keeping someone against his will to listen the interest group.
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