A. Reserved powers.
The tenth amendment is meant to emphasize the limited powers of the federal government.
The tenth amendment says this “The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people.”
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Answer:
Sherman Anti-Trust Act
Explanation:
Approved July 2, 1890, The Sherman Anti-Trust Act was the first Federal act that outlawed monopolistic business practices.
This plan is known as the Open Door Policy.
This idea was introduced by Secretary of State John Hays in 1899. The goal of this plan was to ensure that all nations had the ability to trade with China. Even though this plan referred to the ability of all nations to trade with China, the real reason behind its development was the fear of the US government being blocked out of trading with China by European countries.
B. Because even with many issues that plagued the Roman Empire economically and politically, By the later years of the empire the Roman military was mainly comprised of trained Barbarian soliders who were inferior to earlier Roman soliders causing a significant decrease in the Roman Empires's Military capablities so many barbarian tribes that began to grow such as the Huns, Vandals, Goth etc. Put immense pressure on the Empire, driving them into the ground economically and causing many issues within the government and eventually being sacked, thus marking the end of the Roman Empire. Sorry for the wall of text but hope this helped :)
