Which one of the following assertions, if true, would provide the most support for Kolchin's principal conclusion regarding the relationship of demographics to rebellion among Russian serfs and United States slaves? A. Collective defiance by serfs during the nineteenth century was confined almost exclusively to their participation in the volnenie. B. The rebellious activity of United States slaves was more likely to escape the historical record than was the rebellious activity of Russian serfs. C. Organized rebellions by slaves in the Western Hemisphere during the nineteenth century were most common in colonies with large estates that normally employed more than a hundred slaves. D. In the southern United States during the nineteenth century, those estates that were managed by intermediaries rather than by the owner generally relied upon the labor of at least a hundred slaves. E. The intermediaries who managed estates in Russia during the nineteenth century were in general much more competent as managers than the owners of the estates that they managed.