Becoming Becoming complacent and underestimating the strength Cause_change_of_strength of his foes , Santa Anna further subdivided his troops .

They would carry Carry_goods in triumph through Rome swords reddened with the slaughter Killing of their foes and spoils dripping with their blood .

The garrison 's warriors allegedly used Using passwords to help them determine friend from foe , while their foes killed Killing many of their own in the confusion .