Question

Which of the following fears did some Americans have about acquiring new territory in the Mexican Cession? New slave states would help the South gain power in Congress. The relationship between the United States and Mexico would never recover. Another war would break out between the United States and Mexico. The United States had grown too large to govern effectively.

Answer 1

The first one A. is the answer

Answer 2

I agree, (A) New slave states would help the South gain power in Congress. is most likely the answer.