The U.S. Supreme Court case Wisconsin v. Michigan in 1934 was a dispute over territory and jurisdiction between the two states. The conflict arose from ambiguities in the original boundary descriptions when Wisconsin became a state, leading to uncertainty about ownership of several islands in Green Bay and Lake Michigan. Both states claimed sovereignty over these areas based on different interpretations of historical documents and treaties with Native American tribes. Wisconsin filed an original action against Michigan at the Supreme Court, which has exclusive jurisdiction over disputes between states under Article III of the Constitution. After examining evidence including maps, surveys, and historical records presented by both sides, the court ruled largely in favor of Michigan. The decision clarified that most disputed islands belonged to Michigan except for one group known as "the Quinnesec Islands" where it found insufficient evidence to overturn Wisconsin's claim. This case is significant because it demonstrates how interstate conflicts can be resolved peacefully through judicial process rather than political or military confrontation; also illustrating how complex issues related to boundaries can arise even within a single country due to history and geography.

In the dissenting opinion for Wisconsin v. Michigan, 1934, it was argued that the Supreme Court should not have jurisdiction over this case as it is essentially a political question rather than a judicial one. The dissenting justices believed that the issue at hand - a dispute between states over their territorial boundaries - fell under the purview of Congress and not of the judiciary branch. They contended that such disputes are inherently political in nature and thus outside of their constitutional authority to resolve. Furthermore, they expressed concern about setting a precedent where states could bring any disagreement before them instead of seeking resolution through legislative or executive channels first.