Answer:
B. The US would be able to protect world peace.
Explanation:
The purpose of the Sherman Antitrust Act was it prohibited any contract, trust, or conspiracy to a foreign trade.
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A. because the war lead to a large amount of debt
Well, it decreased the demand of Slave Labor.
Back then, the technology advancement , especially in agricultural sector, significantly increased the total production. This cause the demand of overall labor decreased. The northern US, who utilized more of this advancement more than their southern neighbor, manage to produce hundred times more output than the southern who still depended on their slave labor
it was used to defend slavery when the slave owners would say it was their god given right to own slaves but used to oppose it when people would say that it was against God's will