As it restructured the economy, it also inadvertently brought about democratic ideals, and led towards the eventual elected form of government for the USRR<span />
The civil war was caused by more than disagreement there was slavery going on and racism and so-on
No taxation without representation
The colonists considered taxation without representation as tyranny hence the coining of the slogan which captured the reason for the Revolutionary War. This is because the colonists were not allowed to choose representatives to parliament in London, which passed the laws under which they were taxed.
I believe the answer would be the last option. A resource has value, and people are willing to pay for it most likely because the resource is scarce. When a resource is not enough or the supply is low as compared to its demand, then most likely that price or value of it would increase.