Final answer:
The necessary and proper clause grants Congress the power to make laws necessary for carrying out its enumerated powers, including laws related to regulating commerce, such as the power to restrict child labor.
Step-by-step explanation:
The necessary and proper clause, also known as the Elastic Clause, grants Congress the power to make laws that are necessary for carrying out its enumerated powers. One of Congress's enumerated powers is the power to regulate commerce, and through the necessary and proper clause, Congress can pass laws related to commerce, such as the power to restrict child labor. Therefore, option C, the power to restrict child labor, is implied through the necessary and proper clause.
Learn more about Congress's powers and the necessary and proper clause