"Simultaneous" means "in a circle."

Byzantine Emperor Leo III initiated ______, a movement that sought to destroy religious images and remove them from Christian worship.

Fill in the blank(s) with the appropriate word(s).

American filmmaker Robert Breer was significant for his experiments in the early 1950s with:

A. single-frame filming. B. multiple-camera shooting. C. the animation of three-dimensional objects. D. painting directly on the filmstrip.