Anti-federalists criticized the constitution as? a. concentrating to much power in the hands of a few b. granting to much power to the states c. weakening the national government by guaranteeing civil liberties d. containing to many checks and balances

Because it was

concentrating too much power in the hands of a few

explanation:

an oligopoly is a term used to clarify the structure of a particular market, industry, or organization. a market is considered oligopolistic or amazingly focused when it is shared between a few companies.