Complex sentence: It was the first time the President had been directly elected, although incumbent Léopold Sédar Senghor of the Senegalese Progressive Union (UPS) was the only candidate, and was re-elected unopposed.
Split into simpler sentences: It was the first time the President had been directly elected. However, incumbent Léopold Sédar Senghor of the Senegalese Progressive Union (UPS) was the only candidate, and was re-elected unopposed.