I am not completely sure, but I would say that the aspect of this excerpt that the imagists would have disliked is the ordinary language as in remember and gone.
Imagists prided on the fact that they used imaginative and metaphorical language.
By eliminating sentence 3 it would improve the paragraph by adding more details and more important facts
A. Because the realities of today's world are causing many women to reassess their values and hopes, which will be a positive development in this country.
To be: am, is, are, was, were