In Greeley and Others v. The United States, the Supreme Court was asked to decide whether a federal court had jurisdiction over an action brought by citizens of Massachusetts against the United States for damages caused by a breach of contract. The plaintiffs argued that they were entitled to compensation from the government because it had failed to fulfill its obligations under a treaty with Great Britain concerning fishing rights in Canadian waters. The Supreme Court held that federal courts did not have jurisdiction over such claims, as they involved disputes between two nations rather than between individuals or states. Furthermore, any dispute arising out of this treaty would need to be resolved through diplomatic channels rather than through litigation in U.S. courts. This decision established an important precedent regarding the limits on federal court jurisdiction and reaffirmed Congress’s power over foreign affairs matters involving treaties with other countries

In Greeley and Others v. The United States, the Supreme Court was asked to decide whether a federal law that allowed for the seizure of vessels engaged in illegal trading with foreign nations applied to an incident involving two American ships off the coast of Africa. Justice Johnson wrote a dissenting opinion arguing that Congress had no authority under Article I, Section 8 of the Constitution to pass such a law as it exceeded their power “to regulate commerce with foreign nations” by allowing for seizures without due process or trial. He argued further that even if Congress did have this power, they could not exercise it over U.S citizens on board American ships outside U.S waters since these individuals were beyond its jurisdiction and protection from unreasonable searches and seizures guaranteed by the Fourth Amendment. In conclusion, he maintained that any attempt by Congress to extend its powers beyond what is granted in Article I would be unconstitutional and thus invalidate any laws passed pursuant thereto