Antonym of PREVENT

Answer: Option B

Prevent : keep (something) from happening.
Excite : cause (someone) to feel very enthusiastic and eager.
Support : give assistance to, especially financially.
Invite : make a polite, formal, or friendly request to (someone) to go somewhere or to do something.
Incite : encourage or stir up (violent or unlawful behaviour).
Antonym of Prevent is Support