Answer:
No, Jim Macpherson never came back home from the war. The cello taped box had a note paper on it where he had written that "to be buried with me when the time comes'. It is clear that he never came back
I'm not quite sure how you want me to answer this but here...
'My three classes, biology, English, and reading are very hard but they are not as difficult as math.'
You do not capitalize classes unless it is a language or it as a number behind it (ex. Algebra 1.).