As shown in the case text, it was brought by the "
State of Missouri" - not by "
The State of Missouri", the proper name for the "free and independent republic" (
Constitution for The State of Missouri).
If The State of Missouri was exercising its rights as a sovereign nation-State under the Republic, the original jurisdiction is The Supreme Court itself. The State of Missouri would have brought the case directly to the Supreme Court: "
In all cases affecting ambassadors, other public ministers and consuls, and those
in which a state shall be party, the Supreme Court shall have original jurisdiction." (
Article 3, Section 2, U.S. Constitution)
The very fact that the case was brought
first to a U.S. District Court (USDC) - and not the Supreme Court, or even a DCUS - shows that it wasn't a case involving "The State of Missouri", but simply a district of Missouri (aka "State of Missouri").