Final answer:
In Printz v. United States (1997), the Supreme Court granted power to the states instead of the federal government. The case ruled that a federal law requiring local law enforcement officers to conduct background checks for gun purchases violated the Tenth Amendment, upholding state sovereignty and limiting federal power.
Step-by-step explanation:
The SPC case Printz v. United States (1997) granted power to the states rather than the federal government. In this case, the Supreme Court ruled that a federal law requiring local law enforcement officers to conduct background checks for gun purchases violated the Tenth Amendment, which reserves powers to the states that are not specifically granted to the federal government. Therefore, the decision upheld state sovereignty and limited the power of the federal government.