Charles Sumner: “It is clear, beyond dispute, that by the overthrow of this Prohibition Slavery will be quickened, and slaves themselves…”

“It is clear, beyond dispute, that by the overthrow of this Prohibition Slavery will be quickened, and slaves themselves will be multiplied, while new room and verge will be secured for the gloomy operations of Slave Law, under which free labor will droop, and a vast territory be smitten with sterility.”