Answer:
D is the correct answer. I believe
Infinitive phrase because infinitives have "to ___" and the blank is an action word ☺
Answer: association
Explanation:
The definition of association is a connection between two things, so this would also be the case for two ideas.
Reunite is a synonym of reunion. Reunion is a related term of reunite.As a noun reunion is the process or act of reuniting. As a verb reunite is to unite again.