The Supremacy Clause, found in Article VI, Clause 2 of the U.S. Constitution, establishes that the Constitution, federal laws made pursuant to it, and treaties made under its authority constitute the supreme law of the land. This clause has several key effects on federalism in the United States:
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Hierarchy of Laws: It creates a hierarchy between state and federal laws, ensuring that when there is a conflict, federal law prevails. This can limit the power of state governments and enforce uniformity in certain areas.
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Centralized Authority: The Supremacy Clause supports a more centralized federal authority, which can lead to a stronger federal government relative to the states, especially in areas such as civil rights, commerce, and healthcare.
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Limitations on State Power: It restricts states from enacting laws that are in direct contradiction to federal laws, reinforcing the idea that while states have considerable powers, they cannot operate in defiance of federal law.
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Judicial Interpretation: The clause has been the basis for numerous Supreme Court decisions, which have interpreted and reinforced the principle that federal law takes precedence over state law, solidifying the relationship between state and federal powers.
In summary, the Supremacy Clause reinforces the dominance of federal law over state law and promotes a stronger federal role in governance, thereby shaping the federalism framework in the United States.