tain of the engineers on the staff of Winfield Scott.
When Vera Cruz yielded to bombardment, Captains Robert E. Lee and Joseph E. Johnston, of the General's staff, were appointed to arrange the terms of its surrender.
Worthier ambassadors of victory could not have been chosen.
The army then moved along the great national road, made by the old Spaniards, to the ancient capital of Mexico.
On April 12, 1847, cannon shots from Cerro Gordo checked the cavalry advance, and made it certain Santa Anna would give battle there.
At the head of a pass, winding its ascending way through a narrow defile of mountains, the enemy had fortified himself by a series of breastworks, armed with cannon, which commanded the road and each other.
It was easy to see that on the left the position could not be taken.
Skillful reconnoisances, in which Johnston bore a conspicuous part, decided the plan of battle, which was an attack upon the right.
At the beginning of the assault Johnston was ordered to m