Congress shall have power . . . [t]o make all Laws which shall be necessary and proper for carrying into Execution the foregoing Powers.
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The quote refers to reserved powers, which are given to the states to interpret as they will.T
The quote refers to expressed powers, which are not considered either “necessary or proper.”T
The quote refers to concurrent powers, which are difficult to implement equally in every state.T
The quote refers to implied powers, which are often difficult to interpret or understand.