If the backbone of TPLF ,electricity and sources of income.
TPLF has twice times Ethiopian army.
So,why do go war?
Simplest method I mentioned above
Re: Mathematical model
ata bi'sbis terewaee hamasenay, bimintay Qunqua ekka titsihif zelekka. chenawi hamasenay, neziasi sim lewiTka metrsika? kkkkkkkk neger hamasenay halay.