had the unsuspecting Mexicans reached the spot than the cavalry charged into their midst with thundering war cries. The surprise, no less than the execution, caused a panic, and the infantry hastened back to join in the usual chastisement. Molestation ceased.
From Quauhtitlan the army proceeded by way of Acolman to Tezcuco. The presence of so large a body of allies being considered for the moment unnecessary, the greater number, elated with success and laden with spoil, were dismissed to their homes, there to prepare for the gathering to follow the completion of the brigantines.8
The withdrawal from Tlacopan encouraged the Mexicans to attempt the recovery of Chalco and to inflict chastisement for its secession. The place was indeed most important to Mexico, since from its fertile plains came the largest supplies, now more than ever required. The threat had been held over the Chalcans ever since their submission to Cortés, and the two young lords had hardly returned from Tezcuco before they sent messengers to implore aid.