Why is the amendment process in the constitution an example of federalism?
a: it takes place at the federal level with input from americans willing to travel to the nation's capital.
b: it takes place at the state level, but federal officials from each branch of government have to approve it.
c: it specifies that each amendment must be ratified first by the states and then proposed by congress.
d: it requires cooperation between the state and national governments to ratify an amendment.