Grouping the united states into the northeast region, the northwest region, the southeast region, and the southwest region would be departmentalization by

Grouping the united states into various regions would be departmentalization  by location.
Various organizations and entities use the departmentalization based on task, function or service etc. A divide which is based on various locations will be called departmentalization by location as it involves northeast, northwest, southeast and southwest locations.

this is not a question its simply asking you to read and write a few sentences and   the question on the bottom its fairly easy, you can do this!

i believe george gallup used a poll in 1936