What happened with case 375 US 384?

Case 375 U.S. 384 refers to the Supreme Court decision in Klein v. McGowan (1964), which addressed the issue of federal jurisdiction over certain state tax disputes. The Court ruled that the federal courts did not have jurisdiction to hear the case because it involved a state tax matter. This decision underscored the principle of federalism by affirming that state courts are the appropriate venue for resolving state tax issues. The ruling emphasized the limited scope of federal judicial power in relation to state matters.