Throughout history, proscription has been a powerful, if brutal, tool used to stamp out political opposition and assert power. From ancient Rome to 17th-century England and revolutionary France, these actions left an indelible mark on the societies in which they occurred. Often, important shifts in the political climate would follow, and they soberly framed the cost of political purges in terms of human life. The history of proscription highlights the precarious balance that exists between justice and authority, as well as the possible repercussions from its abuse.