Declared that states had no right to interfere with federal institutions within their borders; "the power to tax involves the power to destroy"

"It is emphatically the province and duty of the judicial department to say what the law is... If two laws conflict with each other, the courts must decide on the operation of each."

Declared that Congress has the power to create the national bank under the "necessary & proper clause" (elastic clause) of the U.S. Constitution.

First time Supreme Court ruled on federal and state laws in conflict.

Strengthened the power of the judiciary by making it the final authority in interpreting the Constitution.

Led to federal government regulation of activities regulating anything that involves commerce between states such as railroads, pipelines, minimum wage regulation, and prohibition of child labor.

8. Case arose because both NY and the federal government granted licenses to run a steamboat ferry service.

Made the Supreme Court the final word on the constitutionality of a law.

Case arose because the State of Maryland taxed the branch of the Second National Bank located in Maryland.

Strengthened the idea of checks and balances in the federal government.

Established the power of the federal government to regulate interstate commerce

Recognized the power of the federal government over the states when laws conflicted.

Established the Supreme Court's power of judicial review to nullify a law or act of Congress by declaring it unconstitutional

Involved conflicting grants of a NY state monopoly (exclusive right) license and federal license for steamship travel.

Extended the definition of interstate commerce

"Let the end be legitimate, let it be within the scope of the Constitution, and all means which are appropriate, which are plainly adapted to that end....The power to tax involves the power to destroy; that the power to destroy may defeat and render useless the power to create."

First case to declare an act of Congress (part of the Judiciary Act of 1789) unconstitutional

Held that by virtue of the Supremacy Clause, state laws "must yield" to constitutional acts of Congress.

Declared that the Commerce Clause of the U.S. Constitution encompassed (included) the power to regulate navigation.

Declared that states could not tax the Second National Bank.

Case arose because Marbury was denied his commission given by President John Adams as a part of the "Midnight Judges".