...tle of San Juan de Ulloa. Scott took possession of the city two days afterwards, and, on April 8, the advance of his army, under General Twiggs, began its march for the capital, by way of Jalapa. Santa Ana had advanced, with 12,000 men, to meet the invaders, and had taken post at Cerro Gordo, a difficult mountain pass at the foot of the Eastern Cordilleras. Scott had followed Twiggs with the rest of...