Most countries view it as a monopolistic tactic akin to how railroads used to be the only buyer for produce & grain in many rural areas of the US, as they would

Most countries view it as a monopolistic tactic akin to how railroads used to be the only buyer for produce & grain in many rural areas of the US, as they would refuse to sell space for bulk goods that they also traded in. Vertical integration is a strong force, especially when it comes to infrastructure.