Why do critics claim that our national government (of the united states) is an oligarchy rather than a representative democracy?

The zealots and sages, like ben zaccai, opposed the romans in different ways. describe the differences.

When another customer complains about the hair salon where georgeanna is a loyal customer, she defends it because she feels responsible for the continued success of the hair salon. this behavior suggests she has reached the rung of the loyalty ladder.

How do direct democracry and representative democary differ