What is one reason Gutierrez de Lara's Republican Army of the North was successful while attacking

San Antonio de Bexar?
• The U.S. agreed to be their ally and provided money and supplies as support.
• They had more military training because they recruited soldiers from the U.S. Army.
• They ambushed the Spanish governor and his army by attacking during the night.
• The Republican Army of the North paid the Spanish governor to leave without a fight.

The correct reason is:

• They ambushed the Spanish governor and his army by attacking during the night.
By attacking San Antonio de Bexar during the night and catching the Spanish governor and his army off guard, Gutierrez de Lara's Republican Army of the North was able to succeed in their attack.