Final answer:
The Greeks made a significant contribution to theatre by creating drama, which emerged from the worship of the god Dionysus. Greek plays were scripted performances with a prominent chorus that narrated the stories.
Step-by-step explanation:
One of the greatest contributions Greeks gave to the theatre was the creation of drama, which emerged from the worship of the god Dionysus. Greek writers started scripting performances that eventually evolved into recognizable plays.
A prominent feature of Greek drama was the chorus, a group of performers who served as the narrator to the stories depicted by the main characters.