Further the houses although severely damaged in "remote villages with little to no sources of income except subsistence level farming " betrays a level of prosperity certainly foreign to the description offered . Add to it the personal transportation in the form of two wheelers which seems fairly ubiquitous among the populace in the rebel stronghold frontier town on the Indo Myanmar border .
There's absolutely no mention of how funds are raised to sustain such operations nor are such inconvenient questions asked.
For the civilian infra you have "aid" dispatched for "humanitarian" causes and ofc the pastors and missionaries are also backed by gora money.
For the insurgency the pentagon and state departments must be providing.
Chins are a part of Chin-Kuki-Zo meta-tribe, the Zo here the Mizoram tribe.
Chins seem to be based in Myannmar and Chittagon hill tracts of al-Bongolistan.
"Nagas" are also a missionary manufactured meta-group tribe, as in most "naga" tribes don't speak mutually intelligible languages, i.e naga tribal A talks to naga tribal B in English
All this "unga bunga, me have tribe, me have country" bullshit started after the Br*tish left, both in India and in Burma.
In India full speed missionary activities were allowed by pic related.
Missionaries at the start were literal Anglo-Saxon gooras and Europoids