Dunmore had previously withheld his signature from a bill against the slave trade.[1] The proclamation appeared to respond to the legislature's proclamation that Dunmore had resigned his position by boarding a warship off Yorktown nearly six months earlier. However, by the end of the war, an estimated 800 to 2000 escaped slaves sought refuge with the British; some served in the army, though the majority served in noncombatant roles.[10][11]