 At first Mary of Guise cultivated a policy of limited toleration of Protestants, hoping to gain their support for her pro-French policies and against England, which from 1553 was under the rule of the Catholic Mary Tudor, who married the future Philip II of Spain in 1554.Hopes for reform of the existing church helped keep the political nation unified.But the marriage of Mary Queen of Scots to the dauphin in 1558 heightened fears that Scotland would become a French province.