Which one of the following political interest groups falls into the organized labor category? a. national rifle association b. national broadcasting corporation c. national education association d. national audubon society

The answer is C.  National Education Association
The national education associaton is a political interest groups that represent workers in educational sectors, such as teachers, universities personel, school staffs, etc. The cause that they fought for mostly revolved around giving the workers in educational sector a more fair job and work hours.