Which two supreme court cases increased the power of the federal government over the states?

The 1824 case of Gibbons v/s Ogden and the prior 1819 case of McCulloch v/s Maryland were the two cases that supreme court cases increased the power of the federal government over the states.

Explanation:

In the Gibbons v/s Ogden case, the Supreme Court in its first declared that the rights given to the federal government by the United States Constitution to regulate interstate commerce also applied to the discipline of regulation of navigation. A few years later in the case of McCulloch v/s Maryland, chief justice John Marshall gave a historic judgment that the state of Maryland cannot tax a national bank established by and working under the federal government.

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Explanation: