 Complete the following phrase:  The revolution of Plovdiv 18 September 1885, which brought about the union of Eastern Rumelia with Bulgaria, took place with Alexanders consent, and he at once assumed the government of the province. In the year which followed, the prince gave evidence of considerable military and diplomatic ability. He rallied the Bulgarian army, now deprived of its Russian officers withdrawn by Tsar Alexander III which Alexander replaced by graduates of the Bulgarian Military Academy to resist the Serbian invasion later on called The Victory of Bulgarian Cadets vs. Serbian Generals. The Bulgarians won a decisive 