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Since this clause affirms that the Constitution and federal laws are the supreme law of the land, it is often called the supremacy clause.

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The Constitution also establishes the principle of federalism, the division of power between the federal and state governments.

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A key authority exercised by the Supreme Court is judicial review, the power to review an action of the legislative or executive branch and declare it unconstitutional

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The Supreme Court and lower federal courts make up the federal judiciary, or federal court system.

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the president is the head of the largest branch of the federal government.

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The Elastic Clause has been nothing short of controversial since its inception, particularly during its infancy

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Although one can trace the history of the Congress of the United States to the First Continental Congress.

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This first section of the Constitution is called the preamble.