I follow, as the oil spill which has had a direct effect on the fishes, and killed them, might also have an effect on the human habitation around the oil spill area, as the water is bound to get contaminated. Regarding II and III, III definitely follows. Under the polluter pays principle, and under many other laws, the company using the ship for commercial purposes will be held liable and will have to pay a heavy fine. However, since we do not yet know if it was a manufacturing defect, it would be absurd to penalize the ship manufacturing company.