 Complete the following phrase:  The decisions of the Council of Preslav brought an end to the Byzantine hopes to exert influence over the newly Christianized country. In 894 the Byzantines moved the Bulgarian market from Constantinople to Thessaloniki, affecting the commercial interests of Bulgaria and the principle of ByzantineBulgarian trade, regulated under the Treaty of 716 and later agreements on the most favoured nation basis. The new Prince, Simeon I r.893927, who came to be known as Simeon the Great, 