How could a state having the power to nullify, or cancel, a federal law lead to the destruction of the United States? Explain your answer. please help

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Explanation:

Nullification, in United States constitutional history, is a legal theory that a state has the right to nullify, or invalidate, any federal laws which that state has deemed unconstitutional with respect to the United States Constitution (as opposed to the state's own constitution). The theory of nullification has never been legally upheld by federal courts.

The theory of nullification is based on a view that the states formed the Union by an agreement (or "compact") among the states, and that as creators of the federal government, the states have the final authority to determine the limits of the power of that government. Under this, the compact theory, the states and not the federal courts are the ultimate interpreters of the extent of the federal government's power.

answer; the period of time known as the middle ages;

cultural history is your answer