The difficult period of political, social, and economic changes

The difficult period of political, social, and economic changes in the South  after the American Civil War is known as ______.
A、Reformation
B、Urbanization
C、Modernization
D、Reconstruction
【正确答案】：D
【题目解析】：本题考查美国的重建。根据课本P202可知，美国内战后南方政治、社会和经济变化的困难时期被称为“重建”。