Why do countries need exchange rates for international trade? A.
Exchange rates ensure that prices are set by supply and demand.
B.
Exchange rates ensure that each country receives equal trade opportunities.
C.
Exchange rates ensure that the price of goods stays the same over time.
D.
Exchange rates ensure that countries can fairly trade goods for currency.

What is the impact of the words equally, completeness, and united

Stone, two or three feet thick, the door of wood and iron, a foot thick, and the iron grating which strained the light, i could not being struck with the foolishness of that institution which treated me as if i were mere flesh and blood and bones, to be locked up. i wondered that it should have concluded at length that this was the best use it could put me to, and had never thought to avail itself of my services in some way. i saw that, if there was a wall of stone between me and my townsmen, there was a still more difficult one to climb or break through before they could get to be as free as i was. i did not for a moment feel confined, and the walls seemed a great waste of stone and mortar. i felt as if i alone of all my townsmen had paid my tax. — “civil disobedience,” henry david thoreau based on this passage, how did thoreau feel about his confinement?

How does the author foreshadow trouble in the prison? support your answer with explicit textual evidence