Complex sentence: When France signed an armistice with Germany, plans changed and the second shipment was rerouted to Martinique.d in Martinique, Admiral Robert arranged for the storage of the gold in Fort Desaix.
Split into simpler sentences: When France signed an armistice with Germany, plans changed and the second shipment was rerouted to Martinique. When it arrived in Martinique, Admiral Robert arranged for the storage of the gold in Fort Desaix.