Joe, a lobbyist who represents the oil industry, is meeting with several members of congress to try to exert political influence by contributing funds to the lawmakers' election campaigns. joe also is involved in a letter-writing campaign to promote his cause. joe is working on behalf of a

Joe is working on behalf of a "special interest group".

Special interest group, any relationship of people or associations, for the most part formally composed, that, based on at least one shared concerns, endeavors to impact open strategy to support its. All interest groups share a craving to influence government strategy to profit themselves or their causes. Their objective could be an arrangement that solely benefits bunch individuals or one portion of society (e.g., government sponsorships for ranchers) or an approach that advances a more extensive open reason (e.g., enhancing air quality). They endeavor to accomplish their objectives by lobbying—that is, by endeavoring to apply weight as a powerful influence for approach producers to pick up arrangement results to support them.

answer; tech (a) is correct;

answer: a. the kind of population living in your neighbourhood.

the census explorer data tool by the us census bureau allows the user to zoom in on any neighbourhood within the united states and find the kind of people residing in that by race and age.  

the tool needs to needs to be used twice – once in order to find what type of people reside in a neighbourhood, and then to see the age groups of the people in the same neighbourhood.