The answer would be the first one
The Olive Branch Petition was a message that was sent to King George III sent by the Second Continental Congress to assure the king of their loyalty to him and to Great Britain but made it clear that their rights as Americans shall be free.
The Mexican society wasn't united, since they were constantly fighting with each other. Since soldiers were killed, they also lost military power. When the Spanish arrived, they had a strong military, but also diseases, which killed Mexican soldiers. That made the home society vulnerable.
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<span>Because they had threatened him.</span>