Proofread the following text and correct the three subject-verb disagreement

Which is not covered under the common topic “relationship” a. causes and effects b. comparisons and contrasts c. contraries and contradictions d. antecedents and consequences

Realism was a fairly influential and widespread literary movement in the united states in the latter half of the nineteenth century. which american writer is among the pioneers of american realism? a. ernest hemingway b. f. scott fitzgerald c. j. d. salinger d. mark twain

Which of the following describes the structure of this excerpt best? a.free verse b.sonnet c.ballad d.blank verse