Complex sentence: Bolívar received MacGregor back into the Venezuelan revolutionary ranks with the rank of brigadier-general, and despatched an expeditionary force from Aux Cayes (now Les Cayes) on 30 April 1816.
Split into simpler sentences: Bolívar received MacGregor back into the Venezuelan revolutionary ranks with the rank of brigadier-general. An expeditionary force was despatched from Aux Cayes (now Les Cayes) on 30 April 1816.