This unit will not attack anyone but will defend itself. Start on Turn 15 to simulate a slow-developing situation. Or roll a die and use the result as the starting turn. Have the U.S. rescue the UN unit. Citing intolerable Albanian interference in Macedonia and Kosovo, Serbia invades Albania.
Turkey supports Albania with supply only.
With ground troops. That might prompt Greece to support Serbia. With ground troops. Again, vary the starting turn. You can use the NATO and Russian units to experiment with various UN force levels in Macedonia.