Compare and contrast what is a direct democracy versus representative democracy.

Compare and contrast what is a direct democracy versus representative democracy. Which one do you think is the most effective and efficient in providing fairness and a legitimate electoral process. What are their pros and cons. In addition to this question, pick one thing about the U.S. Constitution including its amendments that you think should be changed. What modifications would you make? Explain your reasons for making this change.
Responses are to be explained in detail. Please use examples. In addition to this discussion