Question 3 What is Mr Shimerda's chief problem?
Your
a. He cannot agree with his wife on what crop to farm.
b. Mr Shimerda made the move to America to please his wife and older son.
C. The Shimerdas' younger son has disabilities and Mr Shimerda doesn't know what
to do about him.

a). He cannot agree with his wife on what crop to farm.

Explanation:

Mr. Shimerda was the father of Antonio. He is characterized as the most tragic character of the story. He lives a short yet a life of legacy. The key problem that he suffers is the disagreement between him and his wife on deciding the appropriate crop to be farmed. His wife was a greedy woman who harassed him and move to New world from the wilderness of Nebraska. This makes him homesick and he eventually leads to his end.

this would be in the imperative mood. it is a category of verb forms that are used to express orders,instructions,commands or requests.

the sentence that avoid faulty coordination is:

culture, which is well represented in philadelphia, plays a major role including theatre, music, and the visual arts.  

faulty coordination occurs when the writer gives equal importance two different ideas (clauses) which in fact are not equivalent. in order to correct a misplaced clause or idea, the writer can place less important or emphatic ideas in a relative clause as in the previous sentence.