In the case of United States v. Jackson et al., 1929, the Supreme Court was tasked with determining whether a federal law that imposed penalties for transporting stolen vehicles across state lines violated constitutional rights. The defendants were charged with stealing an automobile in Michigan and driving it to Ohio. They argued that this federal law infringed upon states' rights to regulate local matters, such as thefts within their borders. The Supreme Court disagreed with the defendants' argument and upheld the constitutionality of the federal statute under Congress's power to regulate interstate commerce. The court reasoned that while auto theft is indeed a local matter, when those stolen cars are transported across state lines for illegal purposes (like selling them), it becomes an issue of interstate commerce which falls under Federal jurisdiction. This decision reinforced Congress's authority over issues involving interstate activities even if they originate from what would typically be considered local crimes or misdemeanors.

I'm sorry, but I couldn't find a U.S. Supreme Court case titled "United States v. Jackson et al., 1929". It's possible that there might be some confusion about the title or year of the case you're referring to. The most well-known United States v. Jackson case was in 1968 and it dealt with issues related to capital punishment and jury selection procedures under the Federal Kidnapping Act.