Answer:
Mosaic - pictures of colored stone
Transylvania - province of Romania
Danube - divides Bulgaria and Romania
Eastern Orthodox - Byzantine religion
Tito - Yugoslavian leader
Aggressor - starts a quarrel
Zog - Albanian ruler
Islam - Turkish religion
Romans - public baths
Coup - sudden overthrow or upset
Explanation:
I believe these are all correct, do say if anything is wrong. You're welcome.