I believe the answer would be C, 58.
Answer:
The Mexican Cession as ordinarily understood (i.e. excluding lands claimed by Texas) amounted to 525,000 square miles (1,400,000 km2), or 14.9% of the total area of the current United States.
Explanation:
With what? I can help if you need
Answer:
Sea or ocean I don't know the answer I am a kid