Captain Arthur Brown is famous for bringing down Manfred Von Richthofen, best known as the <span>'Red Baron' </span>
<span>Hope this helps. :)
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I do believe the answer would be B
Lots of civil wars and the invasions of barbarians like the huns and other tribes brought down the empire since the senator could not get along and refused to fix the problem.
The siege of Vicksburg was a major victory for the union because in capturing the city, the union had now captured the Mississippi River which would enable the union to use the river as a transportation waterway for supples and reinforcements. It also divided he South and made communication more challenging for it. Hope this helps!