 With the assistance of Spanish agent Francisco Saavedra de Sangronis, the needed cash, over 500,000 in silver pesos, was raised in Havana, Cuba within 24 hours.This money was used to purchase critical supplies for the siege, and to fund payroll for the Continental Army.After Spain entered the war, Major General John Dalling, the British governor and commander-in-chief of Jamaica, proposed in 1780 an expedition to the Spanish province of Nicaragua.