3. What does the decision tell us about the status of African Americans in the United States on the eve of the Civil War?

Coming on the eve of the Civil War, and seven years after the Missouri Compromise of 1850, the decision affected the national political scene, impacted the rights of free blacks, and reinforced the institution of slavery. ... north, except within the boundaries of the proposed state of Missouri.

Explanation:

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they required less loading and unloading

explanation:

the shipping container improved shipping because it cut down on unloading time by three weeks, eliminated wasted space, and allowed ships to carry.

a, he promoted disarmament