The great impacts of the Vietnam War on American society included the following EXCEPT that_______
A、there was great unity within the ruling circle
B、the image of the United States was discredited
C、the United States was weakened because of the long war
D、people were divided in their attitudes towards American society
【正确答案】：A
【题目解析】：越南战争对美国的影响包括：统治阶层也有严重分歧。
