In concer did you mean concert? becuase if that is what you ment the answer is the war in Crimera just before the first world war.
Answer:
Germany, Austria-Hungary, Bulgaria, ottoman empire
Answer:
The Renaissance began in the Italian city-states because they had the wealth from the commerce and trade of the Middle Ages. For some time, Venice had outfitted the crusaders and was the conduit for the silk and spice trade from India and China.
Yugoslavia. Yugoslavia was only a member for 2 days