Question

The word for in the sentence is used as both

a gerund and an adverb.
a noun and an adjective.
a preposition and a conjunction.
a verb and a demonstrative article.

Answer 1

a preposition and a conjunction.

Step-by-step explanation:

Howard stood for equal justice under law. (The word for in this sentence is a preposition. It has an object, justice. Remember to ask the question “For what?” The answer in this case is “For justice.”)

Answer 2

The answer is C because "for" is used in a sentence as a preposition and a conjunction