<span>A. a pattern of wanting and buying new prodducts</span>
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.
Depends some don't want to let go of the past, others it could be they are scared of being judged for what their ancestors did. They also might have PTSD this might give them flashbacks and scary dreams about things they might have seen.
.How much will it cost to train the staff to effectively use the machine?
.How many patients will they need to treat in order to pay for the machine?
.Will it provide a significant benefit to the neighborhood or should they spend their money on something else that might serve the population better?
.Will they have to give up a crucial health service in order to have the dialysis machine in the clinic?