ay, these businesses can directly oblige these elected
             officials when the former make use of their immense resources to achieve
             particular objectives or produce certain political effects. These business
             interest groups are usually members of multiple trade associations that
             represent an entire industry's position in a particular process. There are,
             likewise, the so-called support "umbrella" groups that speak for an entire
             business community. And individual businesses also lobby legislators
             directly and send in their huge campaign contributions to the favored
             candidate/s for their own ends (Hays).
             Labor groups were active in the 1930s and peaked in the 1950s. But it
             decreased to only 15% today because of a decline in union membership, due,
             in turn, to global economic change and the shift from a manufacturing to a
             service-oriented economy for the USA. There too are professional interest
             groups, highly organized but less powerful, in expressing their collective
             interests, values and status. Intergovernmental groups, on the other hand,
             are specifically forceful in that they exercise direct administrative and
             ...