This genre became defined by wisecracks and double entendres during the sound era.

A) western
B) comedy
C) musical
D) gangster

Wisecracks

Clever, witty, often sarcastic remarks or comments made to amuse or provoke laughter.

Double Entendres

A phrase or statement that has two meanings, one of which is usually risqué or indecent.

Sound Era

Also known as the "talkies" era, it refers to the period in cinema history that followed the introduction of synchronized sound technology in film, marking the end of the silent film era.