How is the Tenth Amendment relevant to federalism?

The tenth amendment essentially says that whatever power the Constitution does not give to the federal government is reserved for the states. read more

No, because it isn't listed in the constitution and the tenth amendment dictates that the power to set the age of consent should rest with the states. Looking into the cases that have dealt with federalism before the Supreme Court, you will see that they do not treat the tenth amendment in this manner. read more

The Tenth Amendment (Amendment X) to the United States Constitution, which is part of the Bill of Rights, was ratified on December 15, 1791. It expresses the principle of federalism and states' rights, which strictly supports the entire plan of the original Constitution for the United States of America, by stating that the federal government possesses only those powers delegated to it by the United States Constitution. read more

The Tenth Amendment is specifically meant as a limitation on Federalism. Its whole purpose is to prevent the Federal Government from grabbing more power than is spelled out for it in the Constitution. read more