In the case of Alabama et al. v. United States et al., 1928, the Supreme Court ruled in favor of the federal government's right to regulate interstate commerce over states' rights to control their own resources. The state of Alabama and other southern states had sought to prevent a federally approved merger between two major railroad companies operating within their borders, arguing that it would create a monopoly detrimental to local interests. However, the court held that under the Commerce Clause of Constitution (Article I, Section 8), Congress has broad authority over all forms of interstate commerce including transportation infrastructure like railroads; thus superseding any conflicting state laws or regulations. This decision reinforced federal supremacy in regulating national economic affairs and set an important precedent for future cases involving conflicts between state and federal jurisdiction over commercial activities.

In the dissenting opinion for Alabama et al. v. United States et al., Justice Stone argued that the federal government did not have the authority to regulate intrastate rail rates, even if they indirectly affected interstate commerce. He believed that this power should be reserved for individual states and their regulatory bodies, as per traditional interpretations of federalism in U.S law. The majority's decision to uphold such regulation was seen by him as an overreach of federal powers into areas traditionally controlled by state governments, potentially undermining their ability to govern effectively within their own jurisdictions. Furthermore, he expressed concern about potential negative impacts on local economies and businesses due to federally imposed rate changes or regulations which may not take into account unique regional factors or needs.