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  1. Nullification (U.S. Constitution) - Wikipedia

    Nullification, in United States constitutional history, is a legal theory that a state has the right to nullify, or invalidate, any federal laws that they deem unconstitutional with respect to the United States …

  2. Nullification Crisis | Significance, Cause, President ...

    Dec 19, 2025 · Although the nullification crisis was ostensibly about South Carolina ’s refusal to collect federal tariffs, many historians believe it was actually rooted in growing Southern fears over the …

  3. NULLIFICATION Definition & Meaning - Merriam-Webster

    The meaning of NULLIFICATION is the act of nullifying : the state of being nullified.

  4. What Is Nullification? Definition and Examples - ThoughtCo

    Jul 28, 2022 · Nullification is a legal theory in United States constitutional history held that the states have the right to declare null and void any federal law that they deem to be unconstitutional under …

  5. The Nullification Crisis - Bill of Rights Institute

    The Nullification Crisis of 1832-1833 began with the passage of the Tariff of 1828 (better known as the Tariff of Abominations) which sought to protect industrial products from competition with foreign imports.

  6. What Is Nullification? Definition and Legal Context Explained

    Jan 21, 2025 · Nullification is a complex and often contentious concept in the legal system. It involves the ability of certain entities or individuals to invalidate or refuse to enforce laws deemed …

  7. Nullification - Ballotpedia

    Nullification refers to the constitutional theory that argues states have the power to invalidate federal laws, treaties, or judicial decisions they find to be in violation of the U.S. Constitution.