In New Orleans v. The Steamship Company, the Supreme Court of the United States was asked to decide whether a steamship company was liable for damages caused by a fire that occurred on one of its vessels. The fire had been caused by the negligence of the steamship company's employees. The Court held that the steamship company was liable for the damages caused by the fire, as it was responsible for the negligence of its employees. The Court also held that the steamship company was liable for the damages even though the fire had been caused by an act of God, as the negligence of the steamship company's employees had been the proximate cause of the fire. The Court further held that the steamship company was liable for the damages even though the fire had been caused by an act of God, as the negligence of the steamship company's employees had been the proximate cause of the fire. The Court also held that the steamship company was not liable for any damages caused by the fire that were not the direct result of the negligence of its employees. This decision established the principle that a company is liable for the damages caused by its employees' negligence, even if the damages were caused by an act of God.

In the case of New Orleans v. The Steamship Company, the Supreme Court was tasked with determining whether a municipal ordinance that imposed a tax on vessels docking in port violated federal law. Justice Field delivered the dissenting opinion, arguing that Congress had exclusive power to regulate interstate commerce and thus could not be preempted by state or local laws. He further argued that while states may have some authority over their own ports, they cannot impose taxes on vessels entering those ports from other states as this would interfere with interstate commerce and violate congressional intent. Furthermore, he noted that such taxation would place an undue burden on out-of-state companies who are already subject to federal regulation and taxation at both the state and national level. Ultimately, Justice Field concluded that allowing municipalities to impose taxes upon vessels entering their ports from other states would create an unconstitutional interference with Congress' exclusive power over interstate commerce.