The first multimedia film, Gertie the Dinosaur, was multimedia because
O the film contained the first GGI character
O the characters interacted with an animated dinosaur
O the audience interacted with the characters on screen
O the film included a live actor introducing Gertie, the dinosaur

the answer of "what has three legs but never walks" is a yard stick. this answer can be found at

the amount of fabric used and the collar fitting and sleeve lenghts are the two options, that to me, make the most sense.

hope it ,

happy homework/ sutdy/ exam!

a fashion movement

sorry if this is wrong