"D. It proved that black troops could fight bravely and well" is true about the 54th Massachusetts Regiment, which saw extensive action during the Civil War.
Answer: B) London would be in danger of flooding.
The best reason why direct democracy would not work well in the United States is that "<span>large groups of voters would be difficult to manage", since the population of Ancient Greece, where it was practiced, was much smaller than the current US population.</span>
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