I believe A might be right
On June 17, 1940, The defeated French signed an armistice and quit WW II, leaving Britain standing alone against Germany. In the Summer and fall of that year, German and British forces clashed in the skies over Britain in the first all-air battle in history.
A significant turning point in WW II, the Battle of Britain ended when Germany's Luftwaffe failed to gain air superiority over the Royal Air Force . Britain's decisive victory saved the country from a ground invasion from the enemy and proved air power alone could also be used to win a major battle.
Human capital is an asset consisting of the knowledge and skills held by a person that can be used by an organization to advance its goals. Human capital is important because some level of human knowledge and skills are necessary in order for an organization to accomplish anything.
