 Complete the following phrase:  With the Treaty of San Stefano on 3 March 1878 and announced establishment of Greater Bulgaria, more appeals were sent to Prince Milan for the unification of Macedonia with Serbia, against the threat of Bulgaria claiming Macedonia. On 10 May, an assembly was gathered, in which the representatives of the nahiya of Skopje, Tetovo, Debar, Kičevo, Prilep, Kratovo, Kočani, Štip, Veles, and Kriva Reka, among others, including the rebel leaders, kmets, and clergy, signed a petition addressed to Prince Milan, the 