Answer:
Each had an executive; most had a two-house legislature. They were different because they were new states were self-governing, had constitutions/bills of rights, and allowed more people to vote.
True.
And this is not only true for the distant and not so distant past, it's also true for the present as well. Slaves and prostitutes still exist around the world, despite us thinking that slavery may have been abolished. This is sadly not the case; in some areas in Africa and the Middle east, slavery still exists.