Collective bargaining; geography, location

Geography and location of branches, camps, division, section, department etc. (where employees are) are significant factors in the determination of the acceptability or appropriateness of a collective bargaining unit if:

[1] The geographical separation between branches, etc. and the different kinds of work done therein would make it either harder or easier for the worker to exercise their union rights;
[2] The problems and interests of the workers in each branch, camp, division, section, department, etc. are either unique or similar; and
[3] The bargaining history of a single or multiple collective bargaining units is either satisfactory or not.