(FB 1544647422 Timestamp)
Armies evolved to fight armies.
Men will join armies more easily the guerillas.
Guerillas are very hard for armies to defeat.
Armies are are hard to for guerillas to defeat.
it costs more to sustain an army than a band of raiders.
It costs more to sustain a city than a band of raiders.
Ergo these are wars of attrition.
The difference is that we are in an era where there is nothing accumulated in the supply lines.