Both of the colonies of Pennsylvania and Maryland were founded to provide

aid to poor debtors.

a refuge for Catholics.

religious tolerance.

a refuge for Quakers.

I would say b) a refuge for catholics

The correct answer is religious tolerance

They were for both groups, Catholics and Quakers. That's because these groups were heavily persecuted by Puritans who were in charge of the established colonies so these two new were formed, as well as others, to provide religious tolerance for people who need it.