Though a bit lengthy (which is absolutely fine!) you seem to go into some good detail while withholding main points for the rest of your paper and it is very well done!
The figure of speech, if I am not mistaken is personification. JFK is stating that the country can do something(implying human characteristics), but the country CAN'T literally do something for you in the way that is implied.
Answer:
Romeo is a teenage boy who keeps secrets, Romeo's father knows Romeo is depressed.
Explanation:
HOPE IT HELPS!!!!!
It means range, amplitude or scope. or the distance or measurement from one side to another side. also known as width.