The American Revolution is seen as a formative event, but it was also a shattering one to those who experienced it. Charles County, situated on the Potomac near Chesapeake Bay, long enjoyed the prosperity of a rich soil and thriving overseas trade. Its social order - white planters at the top, enslaved blacks at the bottom - was stable and its politics were local. This world was swept away by Independence and the war with Britain. Led by its accustomed...