Complex sentence: The arrival of Salah Rais at the head of the regency of Algiers confirmed the alliance with Abdelaziz, and they jointly led the Touggourt Expedition (1552).
Split into simpler sentences: The arrival of Salah Rais at the head of the regency of Algiers confirms the alliance with Abdelaziz. They jointly led the Touggourt Expedition (1552).