Answer:
Ummmmmmm Buddhism is about peace
This is a question with many answers, my personal answer would be
It isnt good to have trade as the building blocks of your nation. If your trade is cash crops and you get a drought, you will have nothing to trade. It isnt good to do such a thing because it isnt a reliable or fixed income.
A.
Stealing from the poor and giving to the rich for ages. :)