Why does Thoreau go into such detail to describe the natural setting around the wild apple tree? A to show how the wild apple tree has produced a better fruit than has a tree cultivated by man B to demonstrate that man is happier out in nature than he is in the constructed areas of cities and towns C to state that it is as difficult for things to grow in nature as it is difficult for man to prosper in an uncharted wilderness D to make the point that wild apple trees have thrived just as man has thrived in a new land

i think that will have something to do with the mississippi river but google will know the full answer for sure

it was surely an odd creature that one made up by reading the historians first and the poets afterwards a worm winged like an eagle; the spirit of life and elegance and charm,   in a kitchen chopping up suet. but these creatures, monst'r however entertaining to the imagination, hast no existence in fact. what one might doth to bringeth h'r to life wast to bethink poetically and prosaically at one and the same moment,   thus keeping in toucheth with fact—that the lady is mrs martin, ag'd thirty-six, did dress in blue, wearing a black coxcomb and brown shoeth; but not losing sight of fiction eith'r—that the lady is a vessel in which all s'rts of spirits and f'rces art coursing and flashing p'rpetually. the moment, howev'r, yond one tries this method with the elizabethan mistress, one brancheth of illumination fails; one is did hold up by the scarcity of facts.   one knoweth nothing detailed, nothing p'rfectly true and substantial about h'r.   hist'ry scarcely mentions h'r.   and i did turn to professeth'r trevelyan again to seeth what hist'ry meanteth to that gent.   i hath found by looking at his chapt'r headings yond t meanteth.

climax. is the answer