Closet synonym to proliferation

a. aggression
b. competence
c. prevalence
d. fallibility

It might be said that the excerpt has the characteristic of a neoclassical poem because it might represent a moralising and educational type of poetry. it is also rational and it does not call on feelings and imagination. it might portray an enthusiastic point of view based on verbal communication. it might include the usage of "heroic couplets"  (iambic parameter) and ,as regards the language style , it might be said that it is "elevated". probably because the poets of this period were well educated.