Question: The Reserve Clause is Question options: The 12th Amendment (which puts all of the native American population on reservations) Article I, Section 8, Subsection 12 of the Constitution that says that income tax is reserved to the federal government The 10th Amendment (ratified in 1791 and left all governmental activities not specifically granted to the federal government to the states The 12th Amendment, which reserves to the states the power to regulate commerce