The part of the constitution allows

This part of the constitution allows A. State laws to be declared unconstitutional.

The clause given establishes that all federal laws are the Supreme Law of the Land and therefore all states, federal officers and judges are bound by it, meaning that the scope of the state laws is limited by the federal's law and therefore, if there were any state law in conflict with a federal's, it must be declared unconstitutional.

answer; i believe that the correct answer is (d); //declaration of independence; plz check first good luck

the constitution of the united states gave congress the absolute authority over immigration laws