Freedman’s Bureau I think.
Britain's victory in the Battle of Britain demonstrated the courage and resilience of the country's military and its people and allowed them to remain free from Nazi occupation. It also enabled the Americans to establish a base of operations in England to invade Normandy on D-Day in 1944.
D. African slaves in the American colonies
Soon after the death of Oliver Cromwell, Parliament made his son, Richard, the "Lord Protector," although he was unable to continue the policies of his father and failed as a leader.