Good Morning!
Maryland was the first colony of private characteristics and served as a refuge for Catholics, having established religious tolerance legally already in its initial period.
It is wrong to say, therefore, that
Lord Baltimore used the patroon system to govern Maryland.
We (as in 2016) cannot use the land bridge because of the melting of the glaciers. Back then the glaciers were still in one piece and the sea levels were much lower than now. This allowed the early people to cross the bearing straight.
Targeted Massachusetts, and especially Boston, to punish the colonists for the Boston Tea Party uprising.