With some 16,000 in attendance, the Second World Black and African Festival of Arts and ________ or FESTAC '77, as the event was more commonly known--became the largest pan-African event on record. FESTAC drew people from around the world to Lagos, Nigeria, for a monthlong celebration of Black and African culture-- art, scholarship, and activism.

Which choice completes the text so that it conforms to the conventions of Standard English?