The passage is primarily concerned with A. restoring the reputations of two reformers whose accomplishments have long been denigrated by historians B. refuting criticisms of two reformers made by their contemporaries by demonstrating that those criticisms are baseless C. providing evidence to support a claim that historians' understanding of a particular phenomenon may be incomplete D. discussing some of the reasons that two reformers who were well-known during their lifetimes are considered by historians today to have been ineffective E. suggesting an alternative interpretation of the effect of the farm tenancy system on the economy of the rural South following the Civil War