the tenth amendment was added to the constitution of 1787 largely because of the intellectual influence and personal persistence of the anti-federalists and their allies. it's quite clear that the tenth amendment was written to emphasize the limited nature of the powers delegated to the federal government.
answer: the tenth amendment, or amendment x of the united states constitution is the section of the bill of rights that basically says that any power that is not given to the federal government is given to the people or the states.