I think it’s d but maybe the third one
Answer:
Your answer is As dictator of Mexico, he in his invasion of Texas and signed the Treaties of Velasco.
Explanation:
Hope this helped :)
It did not lead to the Civil War, what led to the civil war was the war of 1812. That was when U.S.A recognized that it needed to become stronger, and slaves were transported to the United States and put in the working class under bad conditions. Child labor and prejudice began there as well.