Answer :
The correct answer is: A. change state boundaries.
State boundaries, even if they are also national boundaries have to be decided on by the states: so even if the national government had an agreement with Mexico about changing a border, Texas would have to agree on this as well.
State boundaries, even if they are also national boundaries have to be decided on by the states: so even if the national government had an agreement with Mexico about changing a border, Texas would have to agree on this as well.
Answer: A. change state boundaries.
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