While Membership Numbers Are Important to an Interest Group, the Wealth

While membership numbers are important to an interest group, the wealth of its members is also important. Why?

A) Wealth always has more influence than numbers.
B) Wealth of membership impacts the level of financial contributions to campaigns for elected officials, thus balancing the offset of membership numbers.
C) Wealth is a reflection of the profession of the membership.
D) "Money speaks louder than words."
E) It is impossible to influence legislation without wealth.