Read this excerpt from the text about the power of Congress to carry out investigations.

Both houses may choose to conduct investigations for any one or a number of reasons. Most often, those inquiries are held to (1) gather information necessary to the framing of legislation, (2) oversee the operations of various agencies in the executive branch, (3) focus public attention on some particular matter, (4) expose the questionable activities of some public official or private person or group, and/or (5) promote the particular interests of some members of Congress.

A recent investigation into the unfair process of reviewing tax exemptions within the IRS by groups called Patriots would fall under :

Responses

the third reason
the third reason

the fourth reason
the fourth reason

the second reason
the second reason

the first reason

The correct answer is the fourth reason. The investigation is focused on exposing the questionable activities of a particular agency, in this case, the IRS, and possibly some public officials who may have been involved in the unfair process of reviewing tax exemptions for certain groups.