They were tasked with protecting the movement of trade goods. They also kept defense of the northern and western frontier against Indian and Mexican incursions, defense of the coast against Union invasion, and suppression of Union loyalists within Texas.
I believe the answer is it’s c
Because since these allows for a "division and labor", the answer would be "enough food" and "large population of non-farmers".
hope it helps jijiji
Protest the excesses of the Vatican