Laws and state constitutions

Answer each question below with 200 words or more each.

1. Contrast the differences and similarities between a direct democracy and a representative democracy.
2. Describe the evolution of state constitutions throughout the history of the United States.
3. Relate the ways that state governments interact with the federal government per the requirements of the U.S. Constitution. How and why do state constitutions vary from state to state?
4. Summarize the formal and informal methods used for changing laws and state constitutions.