Answer:
The formal amendment procedure reflects federalism by taking place at the national level as well as ratification and approval at the state level.
Explanation:
The Constitution makes provision that an amendment may be provided either by the Congress with a two-thirds popular vote in both the House of Representatives and the Senate house or by a constitutional conference which can be proposed by two-thirds of the State legislatures. so the amendment amendment process reflects federalism by taking place at the national stage and ratification at the state point.