【单选题】Staggering tasks confronted the people of the United States, North and South, when the Civil War ended. About a million and a half soldiers from both sides had to be demobilized, readjusted to civilia...
A.
Wartime expenditure.
B.
Methods of repairing the damage caused by the war.
C.
Problems facing the United States after the war.
D.
The results of government efforts to revive the economy.