Why does each state need its own constitution

The country is divided into states and the Constitution allows states many powers. Each state then has to run itself and each state has the power to write its own state constitution. So basically if a state has a constitution, then the state has it's own self set of rules or powers.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

mickey : )

explanation:

why not?