Answer:
The Equal protection clause.
Explanation:
The doctrine of separate but igual is unconstituional.
Marbury v Madison helped as a background for this case, since the Supremacy Clause of Article VI is the supreme law for the whole land.
William Penn, who was the first governor of Pennsylvania, founded it on the principles of it being a place where people of different religions could come and not be persecuted. So B would be the most likely answer to your question :)
<span>ethnic and religious diversity.</span>
To gain independence from the king/monarch
:0) Hope I helped :0)