Question

Why are state constitutions usually longer than the U.S. Constitution? A. Because states have more detailed responsibilities B. Because each state constitution must include the U.S. Constitution C. Because states are divided into more branches of government D. Because each state constitution must include county and city documents

Answer 1

 The correct answer is A. Because states have more detailed responsibilities.

State constitutions are usually longer t because they are more detailed regarding the day-to-day relationships between government and its citizens. 
state constitutions also address a wide array of issues that are considered significant by the states.

Answer 2

because states have detailed responsibilities