The correct answer is B) they misused government tax dollars. D) they accepted bribes and overspent money.
Self-serving individuals hurt the Reconstruction effort in that they misused government tax dollars, and they accepted bribes and overspent money.
The period of Reconstruction was the time in the history of the United States after the Civil War, President Lincoln -and after his death- President Jackson tried to "heal the wounds" and reintegrate the Confederated States to the Union. President Lincoln wanted an easy and quick reintegration, although radical Republicans wanted the Southern States to be punished for their responsibility in the Civil War.
Unfortunately, during the process, self-serving individuals hurt the Reconstruction effort in that they misused government tax dollars, and they accepted bribes and overspent money.
The other options of the question were A) they insisted on having their own way. C) they refused to compromise on key points.