Treaties made by the federal government are supreme over any concerns brought by the states about such treaties interfering with any states' rights derived from the Tenth Amendment. Decided April 19, 1920 (argued March 2, 1920). Opinion of the Court: Oliver Wendell Holmes → go there Dissenting: Van Devanter, Pitney. Applied: the Tenth Amendment → go there Topic: Federalism. Missouri v. Holland, 252 U.S. 416 (1920) is a United States Supreme Court case concerning the extent to which international legal obligations are incorporated into federal law under the United States Constitution. Wiki link