Which modifier could be used to make a comparison?

entirely

talented

identical

first

The correct option is identical.

Explanation:

A modifier refers to a word, phrase, or clause which can work either as an adjective or as an adverb whose main function is to provide a description. These modifiers have comparative and superlative forms that are used to compare two things.  

Such comparison is commonly defined as the act of evaluating two or more things (person, place, thing or even an idea) in order to determine if such ideas are similar or different.

Bearing in mind the described above, it could be said that the word identical could be used as a modifier to make a comparison.

Emerson uses irony to illustrate the unreasonable judgment that was made against Brown.

Irony is a rhetorical device in which what appears to be the case on the surface is radically different from what is actually the case. Emerson argues that slavery is an absurd institution because it forces the governor to hang a man who he believes to be of the most integrity, truthfulness and courage possible. The situation is ironic because you would expect a man so valued by the governor to be highly appreciated, and not condemned and killed.