list the changes made in the organizational structure and programs of the eritrean people’s liberation front in the second and unity congress
እት ካልኣይ ወናይ ውሕደት ሙእተመር እት ተንዚማይ መባትክ ደ፭. ተ. እ. ለገብአ ተቃዪር ሽርሖ