Answer:
Both set up government structure is the correct answer.
Step-by-step explanation:
The US constitution is the supreme law of the land and defines the structure of the national government, its scope and limitations. Each state of US have their own constitution and constitutional law. State constitutions are similar to the federal constitution as they describe the structure of the State government. They also contain bill of rights and are more detailed than the state constitution. State constitutions can be easily amended while the US constitution can only be amended through a lengthy process.