Why could slaves not bring a civil suit to the Supreme Court?

Slaves could not bring a civil suit to the supreme court because the Supreme Court says that blacks cannot be citizens and that Congress has no power to outlaw slavery in any territory.

Explanation:

unlimited governmental powers

explanation:

unlimited governmental powers was not a feature of the new state governments. state governments in the u.s. are structured in the same way as the federal government, with executive, legislative, and judicial branches.