Final answer:
The Battle of Gonzalez contributed to the success of the Texas Revolution because it was the first battle of the revolution. The Texans' refusal to give up the cannon symbolized their determination to fight for their independence and motivated other communities to join the revolution.
Step-by-step explanation:
The Battle of Gonzalez contributed to the success of the Texas Revolution because it was the first battle of the revolution. (a) The Texans in Gonzalez successfully resisted the Mexican army's attempt to retrieve a cannon, which symbolized their determination to fight for their independence. By refusing to give up the cannon, the Texans showed unity and resistance against Mexican authority, which motivated other Texan communities to join the revolution and fight for their independence.