Complex sentence: Up until 1991, the ruling party was the National Liberation Front (FLN), and in fact, the 1976 Algerian constitution considered the FLN as the preferred Algerian political party.
Split into simpler sentences: Up until 1991, the ruling party was the National Liberation Front (FLN). In fact, the 1976 Algerian constitution named the FLN as the preferred Algerian political party.