Complex sentence: He demanded that a pair of French citizens were released from prison, that another pair were exempted from military service, and that France received the same commercial priviledges granted by Bernardino Rivadavia to Britain.
Split into simpler sentences: He demanded that a pair of French citizens were released from prison. It was also demanded that another pair were exempted from military service, and that France received the same commercial priviledges granted by Bernardino Rivadavia to Britain.