One main difference between the United States Constitution and state constitutions is that state constitutions 

Acan't be amended.B. are much longer.C. don't provide for a legislature.D. don't have bills of rights.

Verified Answer :

waww

The answer you're looking for is B. are much longer, as state constitutions most be far more specific than the broader US constitution, as they outline in detail how a state should be run. State constitutions can be amended, do provide a legislature, and most do have a bill of rights.