In the case of General Drivers, Warehousemen & Helpers, Local Union No. 89 et al. v. Riss & Company Inc., the U.S Supreme Court ruled in favor of Riss & Co., a trucking company that had been sued by a local union for alleged violation of labor laws. The union claimed that Riss was not adhering to an agreement regarding hiring practices and wages which they believed constituted unfair labor practices under Section 8(b)(6) of the National Labor Relations Act (NLRA). However, the court found no evidence supporting these claims and held that there was no violation since it could not be proven beyond reasonable doubt that any coercion or restraint on employees' rights occurred as per NLRA's provisions against such actions by employers or unions alike.

In the dissenting opinion for General Drivers, Warehousemen & Helpers, Local Union No. 89 v. Riss & Company Inc., Justice Hugo Black argued that the majority's decision to allow a state court to award damages against a union for picketing violated First Amendment rights of free speech and assembly. He contended that peaceful picketing is an essential part of American labor relations and should be protected under constitutional law. Furthermore, he disagreed with the majority's interpretation of federal labor laws as permitting such damage awards by state courts, arguing instead that these laws were designed to encourage collective bargaining rather than punish unions for their activities in support of it.