The British Channel gave Britain a great advantage. At one point, the German Luftwaffe (air force) tried to invade the island, but the attempt failed and it was never attempted again
It crippled them economically forcing them into cheap labor
Most of the time it disenfranchised them
The black codes were passed which were essentially a set of restrictive laws passed during johnsons presidency which in a lot of states forced black people to sign labor contracts otherwise they would have been fined or jailed or sold back into basically slavery
The Electoral College elects the President