Amendment 10
The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people.
Scope and Purpose
"The Tenth Amendment was intended to confirm the understanding of the people at the time the Constitution was adopted, that powers not granted to the United States were reserved to the States or to the people. It added nothing to the instrument as originally ratified * * *."[1] That this provision was not conceived to be a yardstick for measuring the powers granted to the Federal Government or reserved to the States was clearly indicated by its sponsor, James Madison, in the course of the debate which took place while the amendment was pending concerning Hamilton's proposal to establish a national bank. He declared that: "Interference with the power of the States was no constitutional criterion of the power of Congress. If the power was not given, Congress could not exercise it; if given, they might exercise it, although it should interfere with the laws, or even the Constitutions of the States."[2] Nevertheless, for approximately a century, from the death of Marshall until 1937, the Tenth Amendment was frequently invoked to curtail powers expressly granted to Congress, notably the powers to regulate interstate commerce, to enforce the Fourteenth Amendment and to lay and collect taxes.
The first, and logically the strongest, effort to set up the Tenth Amendment as a limitation on federal power was directed to the expansion of that power by virtue of the necessary and proper clause. In McCulloch v. Maryland,[3] the Attorney-General of Maryland cited the charges made by the enemies of the Constitution that it contained "* * * a vast variety of powers, lurking under the generality of its phraseology, which would prove highly dangerous to the liberties of the people, and the rights of the states, * * *" and he cited the adoption of the Tenth Amendment to allay these apprehensions, in support of his contention that the power to create corporations was reserved by that amendment to the States.[4] Stressing the fact that this amendment, unlike the cognate section of the Articles of Confederation, omitted the word "expressly" as a qualification of the powers granted to the National Government, Chief Justice Marshall declared that its effect was to leave the question "whether the particular power which may become the subject of contest has been delegated to the one government, or prohibited to the other, to depend upon a fair construction of the whole instrument."[5]
The Taxing Power