Arestriction on the amount of a particular foreign currency that can be purchased or sold is called what?

Can someone me answer this english question

Which war does jonas have a memory about? in the giver.

On one of his many outings through the brobdingnagian countryside, gulliver walks on a small path through a field. during this walk on the small path, how does gulliver get dirty? a. the dwarf throws at gulliver, b. the queen of brobdingnagian steps on gulliver, c. gulliver gets caught in a rainstorm, and d. gulliver falls in cow dung.