Article Five of the U.S. Constitution supports the principle of federalism because it allows the Constitution itself to be altered with the support of the states--meaning that it grants states a great deal of power.
It was a step towards racial equality and a major point in the Civil Rights Movement. Although it took the Voting Rights Act to finally enforce it, African Americans were supposed to be citizens with the right to vote since the passage of the 14th and 15th Amendments to the Constitution.
He ignored the wishes of Congress and reorganized the executive branch without approval. He used his influence as chief legislator to persuade Congress to pass the act. I hope this answer will help you.