Final answer:
The Supreme Court ruling that stated that enslaved people did not have a right to sue since they were considered property owned by citizens was the Dred Scott v. Sandford decision. Chief Justice Roger Taney argued that slaves were not protected by the Constitution and could not be citizens. This ruling had significant consequences for the institution of slavery in the United States.
Step-by-step explanation:
In the Dred Scott v. Sandford decision, the Supreme Court ruled that enslaved people did not have a right to sue since they were not citizens but property owned by citizens. Chief Justice Roger Taney argued that the Framers never meant to include slaves under the protections of the Constitution. This ruling had significant implications for the debate over slavery and further entrenched the institution of slavery in the United States.