geographic, political, really everything that is a first level potential grouping
Martians by first-level subdivision, Martians by 2nd-level subdivision
2
Martians by method of subdivision
(any geographic) | (any political)
Martians by geographical subdivisions; Martians by political subdivisions
3
Martians by level and method
(more specific geographic) | (more specific political)
Martians by mountains; Martians by state; Martians by district
4
Martians by individual unit.
(individual geographic units)| (individual states) |(individual territories) |(individual districts )| (individual units that have some geographic parents and some political parents) etc
Martians from the Red Mountains; Martians from the Green Round State; Martians from the Square District.
