In U.S.,Widespread activism for civil rights did not really begi

In U.S.,Widespread activism for civil rights did not really begin until after ______.
A、World War II
B、World War I
C、civil war
D、Vietnam War
【正确答案】：A
【题目解析】：Widespread activism for civil rights did not really begin until after World War II.参见教材P218。