Catholic Maryland

How can one get a catholic majority Maryland and prevent such large puritain immigration that lead to the downfall of the religious toleration of the colony?
 
How can one get a catholic majority Maryland and prevent such large puritain immigration that lead to the downfall of the religious toleration of the colony?
Maybe if James II remains in power somehow, and manages to preserve Catholic rights in Mayland through selective application of a franchise?
 
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