Which of the following could be considered a theme of crevecoeur’s work

true. the definition explains it: a word or phrase that modifies or qualifies an adjective, verb, or other adverb or a word group, expressing a relation of place, time, circumstance, manner, cause, degree, etc. this is a dictionary definition that i have looked up in a dictionary.

i will try let me see what they are first

not concrete, existing in thought or as an idea but not having a physical or concrete existence