Among them was An Act Concerning Religion. The Maryland Toleration Act of 1649 ensured religious freedoms to Christian settlers of different denominations who settled in Maryland.Each religious settlement was founded around the community's beliefs. Laws were established and expectations set based upon religious ideals. Passed in accordance with instructions from Lord Baltimore, this document protected Maryland from the charge of intolerance toward Protestants. The decision ignores our constitutional commitment to official religious neutrality and is a slap in the face to nonChristian veterans. THREE theories are advanced to account for the adoption of the principle of Religious. Liberty in the Foundation of Maryland. First.