Hey, the answer to the question would be B.) The Depression shattered people's confidence in the government.
The secret police attempted to identify citizens who opposed the Communist Party and who could undermine it.
The answer is unsure to me because i don't see the examples above, but I'd go with d.
Answer:
The Mexican-American War, waged between the United States and Mexico from ... largely because northern political interests were against the addition of a new slave state. ... Congress declared war, despite opposition from some northern lawmakers.
Explanation: