Which best explains how the Supremacy Clause is connected to federalism?

The Supremacy Clause says that the Constitution and valid federal laws take precedence over conflicting state laws. This gives the federal government the upper hand when federal and state rules conflict, which is why A, “the federal government has more power than state governments,” is the best choice. It does not mean the federal government has unlimited power or that the two levels of government share power equally.

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