The two example of Supersonic aircraft are Concorde
developed by UK and France which travelled from NY and London exceeding Mach
(the speed of sound). It was retired following a bad accident. The most famous
supersonic plane is the SR-71 Blackbird spy plane developed by Lockheed. A
supersonic airplane is simply one that is capable of flying faster than the
speed of sound, which is about 760 miles per hour.
It is C because the men were out to fight the war and in that time only men could have jobs, so when the men left the women had to take over and their role was so important because they were making everything all the soldiers needed like food and ammunition.
The answer would be B !!!!
F.D.T
if u don't know what that means then u appreciate him