Hitler offered Croatia to Hungary in a message to Miklós Horthy, Regent of Hungary on 27 March. Horthy was willing to join the planned invasion of Yugoslavia unconditionally, but Bárdossy and Teleki convinced him to reconsider his position. In a letter, he only promised that the Hungarian army would cooperate with the Germans and refuted Hitler's offer about Croatia. However, Sztójay who took the letter to Berlin on 28 March, made Hitler believe that Hungary would participate in the invasion. Hitler stated that Germany had two friends in the Balkans, Hungary and Bulgaria, promising that their revisionist claims would be satisfied. The same day, Hungary's ministerial council met to discuss the conditions under which the Hungarian army could move into the Yugoslav territories formerly part of Hungary. They agreed this could occur if one of the following conditions were met: