Racial struggles is not the theme primary struggle, primary effect was to indicate that the novel will be concerned with death, thematic significance it suggests that the narrator's fate will ultimately be the same as his grandfather's, despite his best efforts.
The narrator's calfskin briefcase represents his psychological baggage; Mary Rambo's broken, cast-iron bank represents the narrator's shattered image; and Brother Tarp's tattered chain links represent his emancipation from both physical and mental enslavement.
Thus, option D, C and A are correct.
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