As Justice Joseph Story put it in his celebrated Commentaries on the Constitution of the United States (1833), “its true office is to expound the nature, and extent, and application of the ...

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. The Tenth Amendment expresses the ...

The new Tenth Amendment stated: “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.” ...