The spiritual tradition of Dominic's Order is punctuated not only by charity, study and preaching, but also by instances of mystical union. The Dominican emphasis on learning and on charity distinguishes it from other monastic and mendicant orders. As the order first developed on the European continent, learning continued to be emphasized by these friars and their sisters in Christ. These religious also struggled for a deeply personal, intimate relationship with God. When the order reached England, many of these attributes were kept, but the English gave the order additional, specialized characteristics. This topic is discussed below.