Question

Which policy was a last-ditch effort by the US Congress to preserve the Union and stave off secession

Answer 1

The answer is the Compromise of 1850. This compromise wanted to stop the secession conflicts that were happening in the US. The said law was able to diffuse the on-going conflicts with regards to the lands acquired from the Mexican-American War. It was able to stop some issues of the ongoing crisis but citizens have different opinions with regards of this law

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