following the ethiopian revolution in 1974 , the derg abolished GiveUp the ethiopian empire and established Creating a marxist-leninist communist state , bringing Bringing the eritrean war of independence into the ethiopian civil war and cold war conflicts .

the ethiopian government under the workers party of ethiopia lost Earnings_and_losses soviet support at the end Process_end of the 1980s and were overwhelmed Destroying by eritrean separatists and ethiopian anti-government groups , allowing Preventing_or_letting the eplf to defeat Conquering ethiopian forces in eritrea in may 1991 .