The tenth amendment states that the powers not delegated to the united states by the constitution, nor prohibited by it to the states, are:

are reserved to the states respectively, or to the people.

Explanation:

The Founding Fathers created the Tenth Amendment to address fears that states could lose rights to the federal government and to help establish the principle of Federalism (the relationship between the Federal government and state governments) by stating that any power that is not delegated to the federal government, nor prohibited to the states, is reserved for the states or to the people.

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