Complex sentence: An escort of nearly a thousand Turkish troops and German advisers were planned that would have accompanied the delegation through Persia into Afghanistan, hoping rally the local tribes to the Sultan's "Jihad".
Split into simpler sentences: An escort of nearly a thousand Turkish troops and German advisers were planned that would have accompanied the delegation as it proceeded through Persia into Afghanistan. It hoped to rally during its journey the local tribes to the Sultan's "Jihad".