In which of the following performance spaces do performers usually have to make their entrances and exits along aisles that run through the audience?

In the nineteenth century the increasing speed of trains affected travelers'

a) visual focal points. b) ability to feel movement. c) sense of balance. d) reaction to light.

Many American artists undermined museums and galleries by

a. destroying their works soon after creating them. b. selling their works in Europe only. c. making art that was unable to be displayed. d. refusing to make art altogether.